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TC Pipelines, LP

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FY2002 Annual Report · TC Pipelines, LP
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Cover_sd.qxd  4/11/03  3:45 PM  Page 1

TC PIPELINES, LP
450 – First Street SW  Calgary, Alberta, Canada  T2P 5H1

toll-free (877) 290-2772 facsimile (403) 920-2350
www.tcpipelineslp.com

2 0 0 2 A N N U A L   R E P O R T

2
0
0
2

A
N
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U
A
L

R
E
P
O
R
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I
P
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I

N
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S
,

L
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f o c u s

d i s c i p l i n e

RESULTS

TC PipeLines, LP is a United States limited partnership that 

offers investors stable cash flow and growth prospects through

participation in the natural gas transmission industry. TC PipeLines

owns a 30 percent interest in Northern Border Pipeline Company and a 49 percent interest in

Tuscarora Gas Transmission Company. Both Northern Border Pipeline and Tuscarora own interstate

pipeline systems that transport western Canadian natural gas to growing natural gas consuming

markets in the midwestern United States and northern Nevada areas, respectively. The Partnership 

is managed by its general partner, TC PipeLines GP, Inc., a wholly owned subsidiary of TransCanada

PipeLines Limited, a leading North American energy company. 

Common units of TC PipeLines are listed on the Nasdaq Stock Market and trade under the symbol “TCLP”.

Highlights 1

Letter to Unitholders 2

Form 10-K 3

Financial Statements F-1

 
 
 
 
Cover_sd.qxd  4/11/03  3:45 PM  Page 1

TC PIPELINES, LP
450 – First Street SW  Calgary, Alberta, Canada  T2P 5H1

toll-free (877) 290-2772 facsimile (403) 920-2350
www.tcpipelineslp.com

2 0 0 2 A N N U A L   R E P O R T

2
0
0
2

A
N
N
U
A
L

R
E
P
O
R
T

T
C

P
I
P
E
L
I

N
E
S
,

L
P

f o c u s

d i s c i p l i n e

RESULTS

TC PipeLines, LP is a United States limited partnership that 

offers investors stable cash flow and growth prospects through

participation in the natural gas transmission industry. TC PipeLines

owns a 30 percent interest in Northern Border Pipeline Company and a 49 percent interest in

Tuscarora Gas Transmission Company. Both Northern Border Pipeline and Tuscarora own interstate

pipeline systems that transport western Canadian natural gas to growing natural gas consuming

markets in the midwestern United States and northern Nevada areas, respectively. The Partnership 

is managed by its general partner, TC PipeLines GP, Inc., a wholly owned subsidiary of TransCanada

PipeLines Limited, a leading North American energy company. 

Common units of TC PipeLines are listed on the Nasdaq Stock Market and trade under the symbol “TCLP”.

Highlights 1

Letter to Unitholders 2

Form 10-K 3

Financial Statements F-1

 
 
 
 
Cover_sd.qxd  4/11/03  3:45 PM  Page 2

OUR ASSETS

2

1

2

Northern Border 
Pipeline Company
Tuscarora Gas
Transmission Company

1

OUR GOAL IS TO DELIVER STABLE, SUSTAINABLE CASH FLOWS

TO OUR UNITHOLDERS AND TO FIND OPPORTUNITIES TO INCREASE CASH

DISTRIBUTIONS WHILE MAINTAINING OUR LOW-RISK PROFILE.

NORTHERN BORDER PIPELINE

TUSCARORA

TC PIPELINES OWNERSHIP

ACQUIRED BY TC PIPELINES

COMMENCED OPERATIONS

ORIGINATES NEAR

TERMINATES NEAR
LENGTH (MILES)
RECEIPT CAPACITY (MMcfd

1)

EQUITY INCOME – TC PIPELINES’ SHARE

30%
May 28, 1999

1982
Port of Morgan, MT
North Hayden, IN
1,249
2,373

42.1

42.8

38.1

30.0

15.0

CASH DISTRIBUTIONS – TC PIPELINES’ SHARE

49.2

00

01

02

0

42.9

40.5

30.0

15.0

00

01

02

0

1 Millions of cubic feet per day.

49%
September 1, 2000

1995
Malin, OR
Wadsworth, NV
240
182

10.0

5.0

0

10.0

5.0

0

4.7

3.6

0.9
00

01

02

4.6

1.5

00

2.4

01

02

OUR STRATEGY

Focus on natural gas transmission assets that 

• are underpinned with long-term

transportation contracts  

• have organic growth potential  

• connect to growing natural gas 

consuming markets  

• connect to growing natural gas supply

Leverage from TransCanada’s expertise 

in natural gas transmission industry

Maintain strong financial position

BOARD OF DIRECTORS
OF THE GENERAL PARTNER
OF TC PIPELINES, LP

(December 31, 2002) 

EXECUTIVE OFFICERS
OF THE GENERAL PARTNER
OF TC PIPELINES, LP

(December 31, 2002) 

Albrecht W.A. Bellstedt
Executive Vice-President, Law and General Counsel

Ronald J. Turner

President and Chief Executive Officer

TransCanada PipeLines Limited

Calgary, Alberta

Russell K. Girling
Executive Vice-President and Chief Financial Officer

TransCanada PipeLines Limited

Calgary, Alberta

Robert A. Helman (2) (4)
Partner

Mayer, Brown, Rowe & Maw

Chicago, Illinois

Jack F. Jenkins-Stark (2) (3)
Senior Vice-President and Chief Financial Officer

Silicon Energy Corp.

Alameda, California

David L. Marshall (1) (4)
Retired Vice-Chairman and Chief Financial Officer

The Pittston Company

Incline Village, Nevada

Dennis J. McConaghy
Executive Vice-President, Gas Development

TransCanada PipeLines Limited

Calgary, Alberta

Ronald J. Turner
Executive Vice-President, Operations and Engineering

TransCanada PipeLines Limited

Calgary, Alberta

Russell K. Girling
Chief Financial Officer

Paul F. MacGregor
Vice-President, Business Development

Donald R. Marchand
Vice-President and Treasurer

Ronald L. Cook
Vice-President, Taxation

Theresa Jang
Controller

Rhondda E.S. Grant
Secretary

(1) Chair, Audit Committee
(2) Member, Audit Committee
(3) Chair, Conflicts Committee
(4) Member, Conflicts Committee

INVESTOR RELATIONS
Theresa Jang
Controller
Telephone: (877) 290-2772
Facsimile: (403) 920-2350
Email: investor_relations@tcpipelineslp.com

INTERNET SITE
www.tcpipelineslp.com

K-1 INFORMATION
Telephone: (877) 699-1091

OFFICES
110 Turnpike Road, Suite 203
Westborough, Massachusetts 01581
Telephone: (508) 871-7046
Facsimile: (508) 871-7047

450 – First Street SW
Calgary, Alberta T2P 5H1
Telephone: (877) 290-2772
Facsimile: (403) 920-2350

STOCK EXCHANGE LISTING
Nasdaq Stock Market: TCLP

AUDITORS

KPMG LLP
Calgary, Alberta

TRANSFER AGENT
Mellon Investor Services LLC
Ridgefield Park, New Jersey
Telephone: (800) 756-3353

Please recycle         April 2003   Printed in Canada 

Designed and produced by

Cover_sd.qxd  4/11/03  3:45 PM  Page 2

OUR ASSETS

2

1

2

Northern Border 
Pipeline Company
Tuscarora Gas
Transmission Company

1

OUR GOAL IS TO DELIVER STABLE, SUSTAINABLE CASH FLOWS

TO OUR UNITHOLDERS AND TO FIND OPPORTUNITIES TO INCREASE CASH

DISTRIBUTIONS WHILE MAINTAINING OUR LOW-RISK PROFILE.

NORTHERN BORDER PIPELINE

TUSCARORA

TC PIPELINES OWNERSHIP

ACQUIRED BY TC PIPELINES

COMMENCED OPERATIONS

ORIGINATES NEAR

TERMINATES NEAR
LENGTH (MILES)
RECEIPT CAPACITY (MMcfd

1)

EQUITY INCOME – TC PIPELINES’ SHARE

30%
May 28, 1999

1982
Port of Morgan, MT
North Hayden, IN
1,249
2,373

42.1

42.8

38.1

30.0

15.0

CASH DISTRIBUTIONS – TC PIPELINES’ SHARE

49.2

00

01

02

0

42.9

40.5

30.0

15.0

00

01

02

0

1 Millions of cubic feet per day.

49%
September 1, 2000

1995
Malin, OR
Wadsworth, NV
240
182

10.0

5.0

0

10.0

5.0

0

4.7

3.6

0.9
00

01

02

4.6

1.5

00

2.4

01

02

OUR STRATEGY

Focus on natural gas transmission assets that 

• are underpinned with long-term

transportation contracts  

• have organic growth potential  

• connect to growing natural gas 

consuming markets  

• connect to growing natural gas supply

Leverage from TransCanada’s expertise 

in natural gas transmission industry

Maintain strong financial position

BOARD OF DIRECTORS
OF THE GENERAL PARTNER
OF TC PIPELINES, LP

(December 31, 2002) 

EXECUTIVE OFFICERS
OF THE GENERAL PARTNER
OF TC PIPELINES, LP

(December 31, 2002) 

Albrecht W.A. Bellstedt
Executive Vice-President, Law and General Counsel

Ronald J. Turner

President and Chief Executive Officer

TransCanada PipeLines Limited

Calgary, Alberta

Russell K. Girling
Executive Vice-President and Chief Financial Officer

TransCanada PipeLines Limited

Calgary, Alberta

Robert A. Helman (2) (4)
Partner

Mayer, Brown, Rowe & Maw

Chicago, Illinois

Jack F. Jenkins-Stark (2) (3)
Senior Vice-President and Chief Financial Officer

Silicon Energy Corp.

Alameda, California

David L. Marshall (1) (4)
Retired Vice-Chairman and Chief Financial Officer

The Pittston Company

Incline Village, Nevada

Dennis J. McConaghy
Executive Vice-President, Gas Development

TransCanada PipeLines Limited

Calgary, Alberta

Ronald J. Turner
Executive Vice-President, Operations and Engineering

TransCanada PipeLines Limited

Calgary, Alberta

Russell K. Girling
Chief Financial Officer

Paul F. MacGregor
Vice-President, Business Development

Donald R. Marchand
Vice-President and Treasurer

Ronald L. Cook
Vice-President, Taxation

Theresa Jang
Controller

Rhondda E.S. Grant
Secretary

(1) Chair, Audit Committee
(2) Member, Audit Committee
(3) Chair, Conflicts Committee
(4) Member, Conflicts Committee

INVESTOR RELATIONS
Theresa Jang
Controller
Telephone: (877) 290-2772
Facsimile: (403) 920-2350
Email: investor_relations@tcpipelineslp.com

INTERNET SITE
www.tcpipelineslp.com

K-1 INFORMATION
Telephone: (877) 699-1091

OFFICES
110 Turnpike Road, Suite 203
Westborough, Massachusetts 01581
Telephone: (508) 871-7046
Facsimile: (508) 871-7047

450 – First Street SW
Calgary, Alberta T2P 5H1
Telephone: (877) 290-2772
Facsimile: (403) 920-2350

STOCK EXCHANGE LISTING
Nasdaq Stock Market: TCLP

AUDITORS

KPMG LLP
Calgary, Alberta

TRANSFER AGENT
Mellon Investor Services LLC
Ridgefield Park, New Jersey
Telephone: (800) 756-3353

Please recycle         April 2003   Printed in Canada 

Designed and produced by

T.9.11 Pipeline LP.v5  4/9/03  4:47 PM  Page 1

H I G H L I G H T S

AS A RESULT OF INCREASED CASH FLOWS FROM NORTHERN BORDER 

PIPELINE AND TUSCARORA, TC PIPELINES RAISED ITS QUARTERLY CASH

DISTRIBUTION FROM $0.50 PER UNIT TO $0.525 PER UNIT EFFECTIVE FOR 

THE SECOND QUARTER OF 2002, MARKING THE PARTNERSHIP’S THIRD

DISTRIBUTION INCREASE IN THREE YEARS.

Also in 2002, Tuscarora completed the construction of its expansion facilities, consisting
of two compressor stations and an 11-mile extension and commissioned those facilities
for  service  on  December  1. The  expansion  has  increased  Tuscarora’s  capacity  by
approximately 42 percent. With the expansion capacity fully contracted for terms ranging
from  ten  to  fifteen  years, TC  PipeLines  expects  to  benefit  from  Tuscarora’s  increased
earnings and cash flows.

FINANCIAL PERFORMANCE

Year ended December 31 

(millions of dollars, except per unit amounts)

Income Statement
Net income
Net income per unit

Cash Flow

2002

2001

2000

45.5
$ 2.50

43.5
$ 2.40

37.2
$ 2.08

Cash generated from operations
Cash distributions paid
Cash distributions declared per unit

52.1
37.4
$ 2.075

42.9
35.2
$ 1.975

40.3
32.6
$ 1.850

Balance Sheet

Total assets
Long-term debt
Partners’ equity

286.0
11.5
273.9

288.7
21.5
266.7

277.5
21.5
255.4

2.50

2.40

2.08

2.00

1.00

0

00

01

02

NET INCOME

(dollars per unit)

2.075 

1.975

1.850

1.60

0.80

00

01

02

0

CASH DISTRIBUTIONS

(dollars per unit)

Cautionary Statement Regarding Forward-Looking Information  This annual report includes forward-looking statements
regarding future events and our future financial performance. All forward-looking statements are based on our beliefs as well
as  assumptions  made  by  and  information  currently  available  to  us.  Words  such  as  “believes,”  “expects,”  “intends,”
“forecasts,”  “projects,”  and  similar  expressions,  identify  forward-looking  statements  within  the  meaning  of  the  Securities
Litigation Reform Act. These statements reflect our current views with respect to future events and are subject to various risks,
uncertainties and assumptions which we discuss in detail in our Form 10-K for the year ended December 31, 2002 and other
filings made with the SEC. If one or more of these risks or uncertainties materialize, or if the underlying assumptions prove
incorrect, actual results may vary materially from those described in the forward-looking statement.

1

T.9.11 Pipeline LP.v5  4/9/03  4:47 PM  Page 2

L E T T E R   T O   U N I T H O L D E R S

AGAINST THE BACKDROP OF A TURBULENT YEAR FOR THE CAPITAL MARKETS, 

TC PIPELINES CONTINUED TO PROVIDE INVESTORS WITH AN OPPORTUNITY TO

PARTICIPATE IN THE STEADY, STABLE BUSINESS OF NATURAL GAS TRANSMISSION. 

Through an unwavering focus on the business we know best and a disciplined approach
towards  growth, the  Partnership  navigated  its  way  through  the  market  volatility  and
delivered another year of solid financial performance.

For the third consecutive year since bringing our common units to the market in 1999,
the Partnership’s annual earnings and cash flows have increased relative to the previous
year. We  are  particularly  pleased  with  the  Partnership’s  21%  increase  in  cash  from
operations  in  2002, which  reflects  the  recent  organic  growth  experienced  by  both
Northern Border Pipeline and Tuscarora. The Partnership struck an appropriate balance
in utilizing its increased cash flows to strengthen unitholder value in a number of ways.
In 2002, we increased our quarterly distribution level from $0.50 per unit to $0.525 per
unit, a 5% increase and our third distribution increase in as many years. We enhanced the
Partnership’s  financial  strength  by  reducing  debt  outstanding  from  $21.5  million  to
$11.5 million  and  we  enhanced  the  economics  of Tuscarora’s  expansion  by  using
operating cash flow to fund our share of the expansion.

In 2003, we look forward to the contribution Tuscarora’s expansion facilities will make to
the Partnership’s earnings and cash flows. 2003 will also bring the challenge of recontracting
approximately 42% of Northern Border Pipeline’s capacity, which is currently scheduled to
expire this fall. We are encouraged that Northern Border Pipeline’s utilization rate this past
winter has been very high, demonstrating shippers’ preference for moving their natural gas
to  market  on  Northern  Border’s  pipeline  system. We  continue  to  view  Northern  Border
Pipeline as one of the most competitive routes for natural gas out of western Canada, so we
are optimistic about the outcome of the capacity renewals.

“Optimistic” sums up our outlook for 2003 as we continue to focus on our strategy and
apply  discipline  to  our  decision  making  with  the  goal  of delivering  another  year  of
profitable financial results.

We recognize that the

decisions we make today

will have an impact on our

results tomorrow. This is

why we are committed to

managing the Partnership

for our unitholders in this

conservative manner. In

doing so, we believe this

will result in long-term

value for our unitholders.

On behalf of TC PipeLines, LP

Ronald J. Turner
President and Chief Executive Officer

TC PipeLines GP, Inc.

March 28, 2003

2

T.9.11 Pipeline LP.v5  4/9/03  4:47 PM  Page 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C.  20549

F O R M 10-K

[X] Annual Report Pursuant to Section 13 or 15 (d) of the 

Securities Exchange Act of 1934
For the fiscal year ended December 31, 2002
or

[  ] Transition Report Pursuant to Section 13 or 15(d) of the 

Securities Exchange Act of 1934

Commission file number: 000-26091

TC PIPELINES, LP
(Exact name of registrant as specified in its charter)

DELAWARE
(State or other jurisdiction
of incorporation or organization)

52-2135448
(I.R.S. Employer
Identification No.)

110 TURNPIKE ROAD, SUITE 203

WESTBOROUGH, MASSACHUSETTS  01581
(Address of principal executive offices) (zip code)
Registrant’s telephone number, including area code: 508-871-7046

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Name of each exchange on which registered

NONE

Securities registered pursuant to Section 12(g) of the Act:
Title of each class

COMMON UNITS REPRESENTING LIMITED PARTNER INTERESTS

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the
Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes [X] No [  ]

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein,
and  will  not  be  contained, to  the  best  of registrant’s  knowledge, in  definitive  proxy  or  information  statements
incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. [X]

Indicate by check mark whether the registrant is an accelerated filer (as defined in Rule 12b-2 of the Act) Yes [X] No [  ]

Aggregate  market  value  of the  voting  and  non-voting  common  equity  held  by  non-affiliates  of the  registrant, as  at
June 28, 2002, was approximately $303.8 million.

As of March 11, 2003, there were 15,627,129 of the registrant’s common units outstanding.

2 0 0 2   A N N U A L   R E P O RT

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T.9.11 Pipeline LP.v5  4/9/03  4:47 PM  Page 4

TC PIPELINES, LP

TABLE OF CONTENTS

PART I

Item 1.
Item 2.
Item 3.
Item 4.

PART II

Business
Properties
Legal Proceedings
Submission of Matters to a Vote of Security Holders

Selected Financial Data

Item 5. Market for Registrant’s Common Units and Related Security Holder Matters
Item 6.
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations
Item 7A. Quantitative and Qualitative Disclosures about Market Risk
Financial Statements and Supplementary Data
Item 8.
Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
Item 9.

PART III

Item 10. Directors and Executive Officers of the General Partner
Item 11.
Item 12.

Executive Compensation
Security Ownership of Certain Beneficial Owners and 
Management and Related Security Holder Matters

Item 13. Certain Relationships and Related Transactions

PART IV

Item 14. Controls and Procedures
Item 15.

Exhibits, Financial Statement Schedules and Reports on Form 8-K

All amounts are stated in United States dollars unless otherwise indicated.

Page No.

5
14
15
15

16
18
18
38
39
39

40
42

43
44

46
46

4

T C   P I P E L I N E S ,   L P

T.9.11 Pipeline LP.v5  4/9/03  4:47 PM  Page 5

PA RT   I

Item 1. Business

BUSINESS OF TC PIPELINES, LP

TC  PipeLines, LP  was  formed  in  1998  as  a  Delaware  limited  partnership  to  acquire, own  and  participate  in  the
management  of United  States-based  pipeline  assets. TC  PipeLines, LP  and  its  subsidiary  limited  partnerships,
TC PipeLines  Intermediate  Limited  Partnership  and  TC  Tuscarora  Intermediate  Limited  Partnership  are  collectively
referred  to  herein  as  “TC  PipeLines” or  “the  Partnership.” TC  PipeLines  GP, Inc., a  wholly  owned  subsidiary  of
TransCanada PipeLines Limited, is the general partner of the Partnership. The Partnership’s annual report on Form 10-K,
quarterly reports on Form 10-Q, current reports on Form 8-K and any amendments to these reports filed or furnished
pursuant to Section 13(a) or 15(d) of the Exchange Act are made available free of charge on the Partnership’s website
at  www.tcpipelineslp.com/investor/reports.htm  as  soon  as  reasonably  practicable  after  the  Partnership  electronically
files these materials with, or furnishes them to, the Securities and Exchange Commission.

The  Partnership  owns  a  30%  general  partner  interest  in  Northern  Border  Pipeline  Company. The  remaining  70%
general partner interest in Northern Border Pipeline is held by Northern Border Partners, L.P., a publicly traded limited
partnership  that  is  controlled  by  affiliates  of Enron  Corp. TransCanada  holds  a  minority  general  partner  interest  in
Northern Border Partners.

TC  PipeLines  also  owns  a  49%  general  partner  interest  in  Tuscarora  Gas  Transmission  Company. The  Partnership
acquired this interest from TCPL Tuscarora Ltd., an indirect subsidiary of TransCanada, in September 2000.

At December 31, 2002, the Partnership had 15,627,129 common units outstanding, of which 11,890,694 were held by
the public, 2,800,000 were held by an affiliate of the general partner and 936,435 were held by the general partner.

TransCanada, by virtue of its ownership of the Partnership’s general partner, holds an aggregate 2% general partner
interest in the Partnership. The general partner also owns 936,435 common units and 1,872,871 subordinated units and
is entitled to incentive distribution rights if quarterly cash distributions on the common and subordinated units exceed
levels specified in the partnership agreement (see Item 5. “Market for Registrant’s Common Units and Related Security
Holder Matters”).

The  Partnership’s  30%  general  partner  interest  in  Northern  Border  Pipeline  and  49%  general  partner  interest  in
Tuscarora represent its only material assets.

BUSINESS OF NORTHERN BORDER PIPELINE COMPANY

General
Northern  Border  Pipeline  is  a  general  partnership  formed  in  1978. Northern  Border  Pipeline’s  general  partners  are
TC PipeLines  and  Northern  Border  Partners, both  of which  are  publicly  traded  limited  partnerships. Each  of
TC PipeLines and Northern Border Partners holds its interest in Northern Border Pipeline, representing 30% and 70%
of voting  power, respectively, through  a  subsidiary  limited  partnership. The  general  partners  of Northern  Border
Partners  and  its  subsidiary  limited  partnership  are  Northern  Plains  Natural  Gas  Company  and  Pan  Border  Gas
Company, both subsidiaries of Enron, and Northwest Border Pipeline Company, a subsidiary of TransCanada.

Northern  Border  Pipeline  owns  an  interstate  pipeline  system  that  transports  natural  gas  from  the  Montana-
Saskatchewan  border  to  natural  gas  markets  in  the  midwestern  United  States. The  Northern  Border  pipeline  system
connects with multiple pipelines that provide shippers with access to the various natural gas markets served by those

2 0 0 2   A N N U A L   R E P O RT

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T.9.11 Pipeline LP.v5  4/9/03  4:47 PM  Page 6

pipelines. TC  PipeLines  estimates  that  in  the  year  ended  December  31, 2002, Northern  Border  Pipeline  transported
approximately  20%  of the  total  amount  of natural  gas  imported  from  Canada  to  the  United  States. Over  the  same
period, approximately 89% of the natural gas transported was produced in the western Canadian sedimentary basin
located in the provinces of Alberta, British Columbia and Saskatchewan.

Northern Border Pipeline transports natural gas for shippers under a tariff regulated by the Federal Energy Regulatory
Commission (FERC). The tariff specifies the calculation of amounts to be paid by shippers and the general terms and
conditions of transportation service on the Northern Border pipeline system. Northern Border Pipeline’s revenues are
derived from agreements for the receipt and delivery of natural gas at points along the Northern Border pipeline system
as specified in each shipper’s individual transportation contract. Northern Border Pipeline does not own the natural gas
that it transports, and therefore it does not assume natural gas commodity price risk.

Northern Border Pipeline’s management is overseen by a four-member management committee. One representative is
designated by TC PipeLines. Three representatives are designated by Northern Border Partners, with each of its general
partners selecting one representative. Voting power on the management committee is allocated among the partners in
accordance with their proportionate general partner interests. As a result, TC PipeLines holds 30% of the voting power.
The 70% voting power of Northern Border Partners’ three representatives on the management committee is allocated
as follows: 35% to the representative designated by Northern Plains, 22.75% to the representative designated by Pan
Border  and  12.25%  to  the  representative  designated  by  Northwest  Border. Northern  Plains  and  Pan  Border  are
subsidiaries of Enron. Therefore, Enron controls 57.75% of the voting power of the management committee and has
the right to select two of the members. On December 2, 2001, Enron filed a voluntary petition for Chapter 11 protection
in bankruptcy court. On March 19, 2003, Enron announced its intention to create a new pipeline operating entity, which
will include Enron’s interests in Northern Plains and Pan Border. See Item 7. “Management’s Discussion and Analysis
of Financial  Condition  and  Results  of Operations  –  Results  of Operations  of Northern  Border  Pipeline  Company  –
Update on the Impact of Enron’s Chapter 11 Filing on Northern Border Pipeline’s Business.”

The  Northern  Border  pipeline  system  is  operated  by  Northern  Plains  pursuant  to  an  operating  agreement. As  of
December 31, 2002, Northern Plains employed approximately 203 individuals located at Northern Plains’ headquarters
in  Omaha, Nebraska, and  at  various  locations  along  the  pipeline  route. Northern  Plains  also  used  employees  and
information technology systems of its affiliates to provide its services. Northern Plains’ employees are not represented
by any labor union and are not covered by any collective bargaining agreements.

The Northern Border Pipeline System
Northern Border Pipeline owns a 1,249-mile interstate pipeline system that transports natural gas from the Montana-
Saskatchewan  border  near  Port  of Morgan, Montana  to  natural  gas  markets  in  the  midwestern  United  States.
Construction of the Northern Border pipeline system was initially completed in 1982. The Northern Border pipeline
system was expanded and/or extended in 1991, 1992, 1998 and 2001. The Northern Border pipeline system connects
directly and through multiple pipelines to various natural gas markets in the United States.

The  Northern  Border  pipeline  system  consists  of 822  miles  of 42-inch  diameter  pipe  from  the  Canadian  border  to
Ventura, Iowa capable of transporting a total of 2,374 million cubic feet per day (mmcfd); 30-inch diameter pipe and
36-inch  diameter  pipe, each  approximately  147  miles  in  length, capable  of transporting  1,484  mmcfd  in  total  from
Ventura, Iowa to Harper, Iowa; 226 miles of 36-inch diameter pipe and 19 miles of 30-inch diameter pipe capable of
transporting 844 mmcfd from Harper, Iowa to Manhattan, Illinois (Chicago area); and 35 miles of 30-inch diameter pipe
capable  of transporting  545  mmcfd from  Manhattan, Illinois  to  a  terminus  near  North  Hayden, Indiana. Along  the
pipeline there are 16 compressor stations with total rated horsepower of 499,000 and measurement facilities to support
the  receipt  and  delivery  of natural  gas  at  various  points. Other  facilities  include  four  field  offices  and  a  microwave
communication system with 51 tower sites.

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The Northern Border pipeline system has pipeline access to natural gas reserves in the western Canadian sedimentary
basin in the provinces of Alberta, British Columbia and Saskatchewan in Canada, domestic natural gas produced within
the  Williston  Basin  and  synthetic  gas  produced  at  the  Dakota  Gasification  plant  in  North  Dakota. In  addition, the
Northern  Border  pipeline  system  is  capable  of physically  receiving  natural  gas  at  two  locations  near  Chicago. At  its
northern end, the Northern Border pipeline system’s natural gas supplies are received through an interconnection with
TransCanada’s majority-owned Foothills Pipe Lines (Sask.) Ltd. system in Canada, which is connected to TransCanada’s
Alberta  System  and  the  pipeline  system  owned  by  Transgas  Limited  in  Saskatchewan. Also, at  the  north  end, the
Northern Border pipeline system connects to a domestic natural gas gathering system owned by EnCana Corporation.
In North Dakota, the Northern Border pipeline system connects with facilities of Northern Natural Gas Company at
Buford, which facilities in turn are connected to Williston Basin Interstate Pipeline and the gathering system owned by
Bear Paw Energy, LLC, a wholly owned subsidiary of Northern Border Partners. Other locations in North Dakota where
the Northern Border pipeline system can receive gas are interconnections with Williston Basin Interstate Pipeline at
Glen Ullin, and Amerada Hess Corporation at Watford City and facilities of Dakota Gasification Company at Hebron.
Near its terminus, the Northern Border pipeline system is capable of physically receiving natural gas from Northern
Illinois  Gas  Company  at  Troy  Grove, Illinois  and  from  Midwestern  Gas  Transmission  Company, a  wholly  owned
subsidiary of Northern Border Partners at Channahon, Illinois. For the year ended December 31, 2002, of the natural
gas transported on the Northern Border pipeline system, approximately 89% was produced in Canada, approximately
5% was produced by the Dakota Gasification plant and approximately 6% was produced in the Williston Basin.

Interconnects
The  Northern  Border  pipeline  system  connects  with  multiple  pipelines  of various  interstate, intrastate  and  local
distribution companies that provide its shippers with access to the various natural gas markets served by those pipelines.
The Northern Border pipeline system interconnects with pipeline facilities of:

• Northern  Natural  Gas  Company  at Ventura, Iowa, as  well  as  multiple  smaller  interconnections  in  South  Dakota,

Minnesota and Iowa;

• Natural Gas Pipeline Company of America at Harper, Iowa;
• MidAmerican Energy Company at Iowa City and Davenport, Iowa and Cordova, Illinois;
• Alliant Power Company at Prophetstown, Illinois;
• Northern Illinois Gas Company at Troy Grove and Minooka, Illinois;
• Midwestern Gas Transmission Company near Channahon, Illinois;
• ANR Pipeline Company near Manhattan, Illinois;
• Vector Pipeline L.P. in Will County, Illinois;
• Guardian Pipeline, L.L.C., an affiliate of Northern Border Partners, in Will County, Illinois;
• The Peoples Gas Light and Coke Company near Manhattan, Illinois; and
• Northern  Indiana  Public  Service  Company  near  North  Hayden, Indiana  at  the  terminus  of the  Northern  Border

pipeline system.

Several  market  centers  where  natural  gas  transported  on  the  Northern  Border  pipeline  system  is  sold, traded  and
received for transport to significant consuming markets in the Midwest and to interconnecting pipeline facilities, have
developed on the Northern Border pipeline system. The largest of these market centers is at Northern Border Pipeline’s
Ventura, Iowa connection with Northern Natural Gas Company. Two other market center locations are the Harper, Iowa
connection  with  Natural  Gas  Pipeline  Company  of America  and  Northern  Border  pipeline  system’s  multiple
interconnects in the Chicago area that include connections with Northern Illinois Gas Company, The Peoples Gas Light
and Coke Company and Northern Indiana Public Service Company, as well as four interstate pipelines.

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Shippers
The  Northern  Border  pipeline  system  serves  more  than  50  firm  transportation  shippers  with  diverse  operating  and
financial profiles. Based upon shippers’ contractual obligations, as of December 31, 2002, 91% of the firm capacity is
contracted  by  producers  and  marketers. The  remaining  firm  capacity  is  contracted  to  local  distribution  companies
(6%), interstate pipelines (2%) and end-users (1%). As of December 31, 2002, the termination dates of these contracts
ranged  from  March  31, 2003  to  December  21, 2013, and  the  weighted  average  contract  life, based  upon  annual
contractual obligations, was approximately four and one-half years. Contracts for approximately 42% of the capacity
will  expire  during  2003. See  Item  7. “Management’s  Discussion  and  Analysis  of Financial  Condition  and  Results  of
Operations – Results of Operations of Northern Border Pipeline Company – Outlook.”

Northern  Border  Pipeline’s  mix  and  number  of shippers  may  change  throughout  the  year  as  a  result  of its  shippers
utilizing Northern Border Pipeline’s capacity release provisions that allow shippers to release all or part of their capacity
to other shippers either permanently for the full term of their contract or temporarily. Under the terms of Northern
Border Pipeline’s tariff, a temporary capacity release does not relieve the original contract shipper from its payment
obligations  if the  replacement  shipper  fails  to  pay. Shippers  on  the  Northern  Border  pipeline  system  temporarily
released  capacity  during  2002  for  varying  periods  of time. There  were  also  permanent  releases  of capacity  to  other
shippers for the full term of the contracts.

As of December 31, 2002, the largest shipper, Pan-Alberta Gas (U.S.) (Pan-Alberta) is obligated for approximately 20%
of the  contracted  firm  capacity, of which  approximately  3%  of the  total  contracted  capacity  has  been  temporarily
released by Pan-Alberta to other shippers through October 31, 2003. Pan-Alberta’s firm contracts expire October 31, 2003.
Mirant  Americas  Energy  Marketing, LP, who  manages  the  assets  of Pan-Alberta  Gas, Ltd., including  Pan-Alberta’s
contracts  with  Northern  Border  Pipeline, is  also  obligated  for  approximately  10%  of the  contracted  firm  capacity.
Mirant’s firm contracts expire in October 2006 and December 2008. Mirant and Pan-Alberta have agreed to maintain
credit support in accordance with Northern Border Pipeline’s tariff, including letters of credit, that mitigate a portion
of Northern  Border  Pipeline’s  credit  exposure. The  only  other  shipper  that  held  over  10%  of the  contracted  firm
capacity at December 31, 2002, is BP Canada Energy Marketing Corp, with approximately 12% of the contracted firm
capacity, of which  approximately  8%  of the  total  contracted  capacity  expires  on  October  31, 2003. See  Item  7.
“Management’s Discussion and Analysis of Financial Condition and Results of Operations – Results of Operations of
Northern Border Pipeline Company – Outlook.”

Demand for Transportation Capacity
Northern  Border  Pipeline’s  long-term  financial  condition  is  dependent  on  the  continued  availability  of economic
western Canadian natural gas supplies for import into the United States. Natural gas reserves may require significant
capital expenditures by others for exploration and development drilling and the installation of production, gathering,
storage, transportation  and  other  facilities  that  permit  natural  gas  to  be  produced  and  delivered  to  pipelines  that
interconnect  with  the  interstate  pipelines’ systems. Low  prices  for  natural  gas, regulatory  limitations  or  the  lack  of
available  capital  for  these  projects  could  adversely  affect  the  development  of additional  reserves  and  production,
gathering, storage  and  pipeline  transmission  of western  Canadian  natural  gas  supplies. Additional  pipeline  export
capacity also could accelerate depletion of these reserves. Furthermore, the availability of export capacity could also
affect the demand or value of the transportation capacity on the Northern Border pipeline system.

Northern Border Pipeline’s business also depends on the level of demand for natural gas in the markets the pipeline
system serves. The volumes of natural gas delivered to these markets from other sources affect the demand for both the
natural gas supplies and the use of the Northern Border pipeline system. Demand for natural gas to serve other markets
also influences the ability and willingness of shippers to use the Northern Border pipeline system to meet demand in
the markets that it serves.

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A variety of factors could affect the demand for natural gas in the markets that the Northern Border pipeline system
serves. These factors include:

economic conditions;
fuel conservation measures;
alternative energy requirements and prices;

•
•
•
• gas storage inventory levels;
•
• government regulation; and 
•

climatic conditions;

technological advances in fuel economy and energy generation devices.

Interstate pipelines’ primary exposure to market risk occurs at the time existing transportation contracts expire and are
subject  to  renegotiation. A  key  determinant  of the  value  that  customers  can  realize  from  firm  transportation  on  a
pipeline system is the basis differential or market price spread between two points on the pipeline. The difference in
natural gas prices between the points along the pipeline where natural gas enters and where natural gas is delivered
represents the gross margin that a customer can expect to achieve from holding transportation capacity at any point in
time. This margin and its variability become important factors in determining the transportation rate customers are
willing  to  pay  when  they  renegotiate  their  transportation  contracts. The  basis  differential  between  markets  can  be
affected  by  trends  in  production, available  capacity, storage  inventories, weather  and  general  market  demand  in  the
respective areas.

TC  PipeLines  cannot  predict  whether  these  or  other  factors  will  have  an  adverse  effect  on  demand  for  use  of the
Northern Border pipeline system or how significant such adverse effect could be.

Interstate Pipeline Competition
Northern  Border  Pipeline  competes  with  other  pipeline  companies  that  transport  natural  gas  from  the  western
Canadian  sedimentary  basin  or  that  transport  natural  gas  to  end-use  markets  in  the  midwest. Northern  Border
Pipeline’s competitive position is affected by the availability of Canadian natural gas for export, the availability of other
sources  of natural  gas  and  demand  for  natural  gas  in  the  United  States. Demand  for  transportation  services  on  the
Northern Border pipeline system is affected by natural gas prices, the relationship between export capacity from and
production in the western Canadian sedimentary basin and natural gas shipped from producing areas in the United
States. Shippers of natural gas produced in the western Canadian sedimentary basin also have other options to transport
Canadian natural gas to the United States, including transportation on the Alliance Pipeline, on TransCanada's pipeline
system, through various interconnects with U.S. interstate pipelines or to markets on the West Coast.

The Alliance Pipeline competes directly with Northern Border Pipeline in the transportation of natural gas from the
western Canadian sedimentary basin to the Chicago area. Because it transports liquids-rich natural gas, the Alliance
Pipeline has no interconnections with other pipelines upstream of the liquids extraction facilities, which are located
near  Chicago. This  contrasts  with  the  Northern  Border  pipeline  system, which  serves  various  markets  through
interconnections with other pipelines along its route.

The competitive impact of the Alliance Pipeline in the Chicago area has been mitigated by the continuing development
of additional capacity to ship natural gas from the Chicago area to other markets in the United States. Vector Pipeline L.P.
interconnects with the Alliance Pipeline and transports gas eastward to a terminus in eastern Canada. Guardian Pipeline
was placed into service in December 2002 and interconnects with Northern Border Pipeline. Guardian Pipeline delivers
into markets in Wisconsin and could provide access to additional markets for Northern Border Pipeline’s shippers.

Natural gas is also produced in the United States and transported by competing pipeline systems to the same markets
as those served by the Northern Border pipeline system.

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FERC Regulation
Northern Border Pipeline is subject to extensive regulation by the FERC as a “natural gas company” under the Natural
Gas Act. Under the Natural Gas Act and the Natural Gas Policy Act, the FERC has jurisdiction with respect to virtually
all aspects of Northern Border Pipeline’s business, including:

transportation of natural gas;
rates and charges;
construction of new facilities;
extension or abandonment of service and facilities;
accounts and records;

•
•
•
•
•
• depreciation and amortization policies;
•
•

the acquisition and disposition of facilities; and 
the initiation and discontinuation of services.

Where required, Northern Border Pipeline holds certificates of public convenience and necessity issued by the FERC
covering its facilities, activities and services. Under Section 8 of the Natural Gas Act, the FERC has the power to prescribe
the  accounting  treatment  for  items  for  regulatory  purposes. Northern  Border  Pipeline’s  books  and  records  may  be
periodically audited under Section 8. Northern Border Pipeline was notified in November 2002 that it is one of the
companies selected by the FERC to undergo an industry-wide audit of FERC-assessed annual charges. The overall audit
objective  is  to  determine  compliance  with  FERC  accounting  requirements  and  regulations  as  they  relate  to  the
calculation and assessment of annual charges by validating the accuracy of the data filed annually with the FERC. The
audit covers the period of January 1, 2001 to December 31, 2001. Based on Northern Border Pipeline’s discussion with
the FERC, the FERC is intending to issue its final report by the end of the second quarter of 2003. Northern Border
Pipeline  advises  that  it  does  not  believe  the  results  of the  audit  will  have  a  material  adverse  impact  on  its  results  of
operations or financial position.

The FERC regulates the rates and charges for transportation in interstate commerce. Natural gas companies may not
charge rates exceeding rates judged just and reasonable by the FERC. Generally, rates are based on the cost of service
including recovery of and a return on the pipeline’s actual historical cost investment. In addition, the FERC prohibits
natural  gas  companies  from  unduly  preferring  or  unreasonably  discriminating  against  any  person  with  respect  to
pipeline  rates  or  terms  and  conditions  of service. Some  types  of rates  may  be  discounted  without  further  FERC
authorization and rates may be negotiated subject to FERC approval. The rates and terms and conditions for Northern
Border Pipeline’s service are found in its FERC approved Gas Tariff.

Transportation  rates  are  established  periodically  in  FERC  proceedings  known  as  rate  cases. Under  Northern  Border
Pipeline’s tariff, Northern Border Pipeline is allowed to charge for its services on the basis of stated transportation rates
established  in  Northern  Border  Pipeline’s  1999  rate  case. Northern  Border  Pipeline  may  also  provide  services  under
negotiated and discounted rates. Approximately 98% of the agreed upon cost of service or revenue level is attributed to
demand charges. Firm shippers that contract for the stated transportation rate are obligated to pay a monthly demand
charge, regardless of the amount of natural gas they actually transport, for the term of their contracts. The remaining
2% of the agreed upon revenue level is attributed to commodity charges based on the volumes of natural gas actually
transported. Under  the  terms  of settlement  in  Northern  Border  Pipeline’s  1999  rate  case, neither  Northern  Border
Pipeline’s existing shippers nor Northern Border Pipeline can seek rate changes until November 1, 2005, at which time
Northern Border Pipeline must file a new rate case. Prior to the new rate case, Northern Border Pipeline will not be
permitted to increase rates if costs increase, nor will Northern Border Pipeline be required to reduce rates based on cost
savings. As a result, Northern Border Pipeline’s earnings and cash flow will depend on future costs, contracted capacity,
the volumes of natural gas transported and Northern Border Pipeline’s ability to recontract capacity at acceptable rates.

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Until  new  transportation  rates  are  approved  by  FERC, Northern  Border  Pipeline  continues  to  depreciate  its
transmission plant at the FERC approved annual depreciation rate. Northern Border Pipeline’s annual depreciation rate
on transmission plant in service is 2.25%. In order to avoid a decline in transportation rates set in future rate cases as a
result of accumulated depreciation, Northern Border Pipeline must maintain or increase its rate base by acquiring or
constructing assets that replace or add to existing pipeline facilities or by adding new facilities.

In Northern Border Pipeline’s 1995 rate case, the FERC addressed the issue of whether the federal income tax allowance
included in Northern Border Pipeline’s proposed cost of service was reasonable in light of previous FERC rulings. In
those  rulings, the  FERC  held  that  an  interstate  pipeline  is  not  entitled  to  a  tax  allowance  for  income  attributable  to
limited partnership interests held by individuals. The settlement of Northern Border Pipeline’s 1995 rate case provided
that until at least December 2005, Northern Border Pipeline could continue to calculate the allowance for income taxes
in  the  manner  it  had  historically  used. In  addition, a  settlement  adjustment  mechanism  was  implemented, which
effectively reduced the return on rate base. These provisions of the 1995 rate case were maintained in the settlement of
Northern Border Pipeline’s 1999 rate case.

Northern  Border  Pipeline  also  provides  interruptible  transportation  service. Interruptible  transportation  service  is
transportation in circumstances when capacity is available after satisfying firm service requests. The maximum rate that
may  be  charged  to  interruptible  shippers  is  calculated  as  the  sum  of the  firm  transportation  maximum  reservation
charge and commodity rate. Under Northern Border Pipeline’s tariff, Northern Border Pipeline shares net interruptible
transportation service revenue and any new services revenue on an equal basis with Northern Border Pipeline’s firm
shippers  through  October  31, 2003. However, Northern  Border  Pipeline  is  permitted  to  retain  revenue  from
interruptible transportation service to offset any decontracted firm capacity.

Northern Border Pipeline is subject to the requirements of FERC Order Nos. 497 and 566, which prohibit preferential
treatment by interstate natural gas pipelines of their marketing affiliates and govern how information may be provided
to  those  marketing  affiliates. In  September  2001, the  FERC  issued  a  Notice  of Proposed  Rulemaking  proposing  new
standards  of conduct  that  would  apply  uniformly  to  natural  gas  pipelines  and  transmitting  public  utilities. FERC  is
proposing  one  set  of standards  to  govern  relationships  between  regulated  transmission  providers  and  all  energy
affiliates. Should a final rule be issued in this proceeding, Northern Border Pipeline may be subject to standards that
could result in additional costs.

On August 1, 2002, FERC issued a Notice of Proposed Rulemaking regarding the Regulation of Cash Management and
is proposing to establish limits on the amount of funds that can be transferred from the regulated subsidiary to its non-
regulated parent. It is not expected that FERC proposed policy will have an impact on the cash management practices
of Northern Border Pipeline.

On  July  17, 2002, FERC  issued  a  Notice  of Inquiry  Concerning  Natural  Gas  Pipeline  Negotiated  Rate  Policies  and
Practices. In  this  proceeding  the  FERC  is  evaluating  its  negotiated  rate  program  and  has  invited  all  segments  of the
industry to provide comments. The outcome of this inquiry may change the existing FERC policy concerning the types
of negotiated  rates  that  it  allows  and  may  have  an  undetermined  impact  on  the  pricing  practices  for  a  pipeline’s
transportation services.

Recent FERC orders in proceedings involving other natural gas pipelines have addressed certain aspects of the pipelines’
creditworthiness provisions set forth in their tariffs. In addition, industry groups such as the North American Energy
Standards Board are studying creditworthiness standards and may recommend that the FERC promulgate changes in
such standards on an industry-wide basis. The enactment of some of these recommendations may have the effect of
easing certain creditworthiness standards and parameters currently reflected in Northern Border Pipeline’s tariff. At this
stage of the proceedings, however, Northern Border Pipeline advises that it cannot predict the ultimate impact, if any,
such changes would have on Northern Border Pipeline.

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From time to time, Northern Border Pipeline files to make changes to its tariff to clarify provisions, to reflect current
industry practices and to reflect recent FERC rulings. In February 2003, Northern Border Pipeline filed to amend the
definition of company use gas, which is gas supplied by its shippers for its operations, to clarify the language by adding
detail to the broad categories that comprise company use gas. Relying upon the currently effective version of the tariff,
Northern Border Pipeline included in its collection of company use gas, quantities that were equivalent to the cost of
electric power at its electric-driven compressor stations during the period of June 2001 through January 2003. Several
parties have filed protests of this change and have requested that the FERC order refunds. At its meeting on March 26, 2003,
the FERC voted to reject Northern Border Pipeline’s filing and require refunds. In its draft order, the FERC directed
Northern Border Pipeline to cease collecting electric costs through its company use gas provisions and to refund with
interest, within 90 days, all electric costs that had been collected through Northern Border Pipeline’s company use gas
provisions. Other  parties  and  Northern  Border  Pipeline  will  have  thirty  days  from  the  date  of the  order  to  request
rehearing. A  reserve  in  the  amount  of $10.0  million  was  established  (TC  PipeLines’ share  equates  to  $3.0  million).
Northern Border Pipeline advises that it believes this reserve is sufficient to cover the potential refunds.

Environmental and Safety Matters
Northern Border Pipeline’s operations are subject to federal, state and local laws and regulations relating to safety and
the protection of the environment, which include the Resource Conservation and Recovery Act, the Comprehensive
Environmental Response, Compensation and Liability Act of 1980, as amended, Clean Air Act, as amended, the Clean
Water Act, as amended, the Natural Gas Pipeline Safety Act of 1969, as amended, and the Pipeline Safety Act of 1992.

The  Pipeline  Safety  Improvement  Act  (Act)  was  signed  into  law  in  December  2002. The  Act  contains  numerous
provisions  that  increase  federal  inspection  and  safety  requirements  for  the  pipelines. As  a  result, the  Secretary  of
Transportation and various government agencies are required to develop and implement regulations under the Act in
order for the pipelines to carry out the prescribed evaluations and implementation of programs to ensure the safety of
its facilities. The Act and subsequent regulations have prescribed timelines and the implementation may have an impact
on the costs that Northern Border Pipeline incurs.

Although TC PipeLines believes that Northern Border Pipeline’s operations and facilities are in general compliance in
all material respects with applicable environmental and safety regulations, risks of substantial costs and liabilities are
inherent in pipeline operations, and TC PipeLines cannot provide any assurances that Northern Border Pipeline will
not  incur  such  costs  and  liabilities. Moreover, it  is  possible  that  other  developments, such  as  increasingly  strict
environmental and safety laws, regulations and enforcement policies thereunder, and claims for damages to property or
persons  resulting  from  Northern  Border  Pipeline’s  operations, could  result  in  substantial  costs  and  liabilities  to
Northern  Border  Pipeline. If Northern  Border  Pipeline  is  unable  to  recover  such  resulting  costs, earnings  and  cash
distributions could be adversely affected.

BUSINESS OF TUSCARORA GAS TRANSMISSION COMPANY

Tuscarora is a Nevada general partnership formed in 1993. Its general partners are TC Tuscarora Intermediate Limited
Partnership, a direct subsidiary of TC PipeLines, which holds a 49% general partner interest, Tuscarora Gas Pipeline Co.,
a wholly owned subsidiary of Sierra Pacific Resources, which holds a 50% general partner interest and TCPL Tuscarora Ltd.,
an indirect wholly owned subsidiary of TransCanada, which holds a 1% general partner interest.

The management of Tuscarora is overseen by a management committee that determines the policies of, has authority
over the affairs of, and approves the actions of Tuscarora. The management committee participates in the management
of the construction, maintenance and operation of the Tuscarora pipeline system.

Under  the  Tuscarora  partnership  agreement, voting  control  is  allocated  among  Tuscarora’s  three  general  partners  in
proportion to their general partner interests in Tuscarora. As a result, TC PipeLines has a 49% voting interest, Sierra
Pacific Resources has a 50% voting interest, and TransCanada has a 1% voting interest on the Tuscarora management

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committee. Tuscarora Gas Operating Company, a subsidiary of Sierra Pacific Resources, operates the Tuscarora pipeline
system pursuant to an operating agreement. Effective December 1, 2002, TransCanada is under contract to provide gas
control services for the Tuscarora pipeline system, including monitoring and control of the compressor units, as well as
emergency call out functions and other operational co-ordination between the companies.

The Tuscarora Pipeline System 
Tuscarora  owns  a  240-mile, 20-inch  diameter, United  States  interstate  pipeline  system  that  originates  at  an
interconnection point with facilities of PG&E National Energy Group, Gas Transmission Northwest near Malin, Oregon
and  runs  southeast  through  northeastern  California  and  northwestern  Nevada. The  Tuscarora  pipeline  system
terminates  near  Wadsworth, Nevada. Deliveries  are  also  made  directly  to  the  local  gas  distribution  system  of Sierra
Pacific Resources. Along its route, deliveries are made in Oregon, northern California and northwestern Nevada.

The Tuscarora pipeline system was constructed in 1995 and was placed into service in December 1995. The Tuscarora
pipeline system has firm capacity contracts to transport approximately 182 mmcfd of natural gas.

On December 1, 2002, Tuscarora completed and placed into service an expansion of its pipeline system. The Tuscarora
expansion consists of two compressor stations and an 11-mile pipeline extension from the previous terminus of the
Tuscarora  pipeline  system  near  Reno, Nevada  to  Wadsworth, Nevada. The  expansion  increased  Tuscarora’s  capacity
from 127 mmcfd to approximately 182 mmcfd. The new capacity is contracted under long-term firm transportation
contracts ranging from ten to fifteen years. Sierra Pacific Power Company, a subsidiary of Sierra Pacific Resources, has
contracted for approximately 11 mmcfd of the expansion capacity. The project had a capital budget of approximately
$43.0 million and was completed at a capital cost of approximately $39.0 million. At the request of the Public Utilities
Commission of Nevada, Tuscarora will submit a cost and revenue study to the FERC within 3 years of the in service date
of the expansion.

In January 2001, Tuscarora completed construction of the Hungry Valley lateral, a 14-mile, 16-inch pipeline extension
that serves as Tuscarora’s second connection into Reno, Nevada. Sierra Pacific Power holds firm capacity on the lateral
for  approximately  15  mmcfd  through  firm  transportation  contracts  that  expire  in  January  and  October  2016. The
project was completed at a capital cost of approximately $8.0 million.

Tuscarora has firm transportation contracts for over 94% of its capacity, including contracts held by Sierra Pacific Power
for 68.4% of the total available capacity, the majority of which expires on November 30, 2015. As of December 31, 2002,
the weighted average contract life on the Tuscarora pipeline system was approximately 12.5 years.

Tuscarora’s  competitive  position  is  dependent  on  the  continued  availability  of commercially  attractive  western
Canadian natural gas for import into the United States and on the level of demand for western Canadian natural gas in
the markets the Tuscarora pipeline system serves. Shippers of natural gas from the western Canadian sedimentary basin
have other options for transporting Canadian natural gas to the United States, including transportation on pipelines
eastward in Canada or to markets on the west coast of the United States and Canada. Similarly, natural gas produced in
the United States serves the same markets as Tuscarora in northern Nevada. Tuscarora is able to transport both Canadian
and United States natural gas, providing Tuscarora with a well-diversified supply of natural gas to serve its markets.

FERC Regulation
Tuscarora is subject to regulation by the FERC as a “natural gas company” under the Natural Gas Act, and is subject to
the FERC’s rules, regulations and accounting procedures.

Tuscarora generates revenues from individual transportation contracts with shippers that provide for the receipt and
delivery of natural gas at points along the Tuscarora pipeline system. Tuscarora’s transportation rates are based on its
cost  of service  as  approved  by  the  FERC. Tuscarora’s  cost  of service  includes  administrative  and  operating  costs,
depreciation and amortization, taxes other than income taxes, an allowance for income taxes and a regulated return on
capital employed.

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Environmental and Safety Matters
Tuscarora’s operations are subject to federal, state and local laws and regulations relating to safety and protection of the
environment. TC  PipeLines  believes  that  Tuscarora’s  operations  and  facilities  comply  in  all  material  respects  with
applicable United States environmental and safety regulations.

Item 2. Properties

TC PipeLines does not hold the right, title or interest in any properties.

Properties of Northern Border Pipeline Company
Northern  Border  Pipeline  holds  the  right, title  and  interest  in  its  pipeline  system. With  respect  to  real  property, the
Northern Border pipeline system falls into two basic categories: (a) parcels which are owned in fee, such as sites for
compressor  stations, meter  stations, pipeline  field  offices, and  microwave  towers; and  (b)  parcels  where  Northern
Border  Pipeline’s  interest  derives  from  leases, easements, rights-of-way, permits  or  licenses  from  landowners  or
governmental authorities permitting the use of such land for the construction and operation of the Northern Border
pipeline system. The right to construct and operate the Northern Border pipeline system across certain property was
obtained by Northern Border Pipeline through exercise of the power of eminent domain. Northern Border Pipeline
continues to have the power of eminent domain in each of the states in which it operates, although Northern Border
Pipeline may not have the power of eminent domain with respect to Native American tribal lands.

Approximately 90 miles of the Northern Border pipeline system are located on fee, allotted and tribal lands within the
exterior boundaries of the Fort Peck Indian Reservation in Montana. Tribal lands are lands owned in trust by the United
States for the Fort Peck Tribes and allotted lands are lands owned in trust by the United States for an individual Indian
or Indians. Northern Border Pipeline does have the right of eminent domain with respect to allotted lands.

In 1980, Northern Border Pipeline entered into a pipeline right-of-way lease with the Fort Peck Tribal Executive Board,
for and on behalf of the Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation. This pipeline right-of-way
lease, which was approved by the Department of the Interior in 1981, granted to Northern Border Pipeline the right and
privilege to construct and operate the Northern Border pipeline system on certain tribal lands. This pipeline right-of-
way lease expires in 2011. See Item 3. “Legal Proceedings.”

In conjunction with obtaining a pipeline right-of-way lease across tribal lands located within the exterior boundaries of
the Fort Peck Indian Reservation, Northern Border Pipeline also obtained a right-of-way across allotted lands located
within the reservation boundaries. Most of the allotted lands are subject to a perpetual easement either granted by the
Bureau of Indian Affairs for and on behalf of individual Indian owners or obtained through condemnation. Several
tracts are subject to a right-of-way grant that has a term of 15 years, expiring in 2015.

Properties of Tuscarora Gas Transmission Company
Tuscarora  holds  the  right, title  and  interest  in  its  pipeline  system. Tuscarora  owns  all  of its  material  equipment  and
personal property and leases office space in Reno, Nevada. With respect to real property, Tuscarora’s ownership falls into
two basic categories: (a) parcels which it owns in fee; and (b) parcels where its interest derives from leases, easements,
grants, permits  or  licenses  from  landowners  or  governmental  authorities  permitting  the  use  of the  land  for  the
construction and operation of its pipeline system.

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Item 3. Legal Proceedings

TC PipeLines is not currently a party to any material legal proceedings.

On July 31, 2001, the Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation filed a lawsuit in Tribal Court
against Northern Border Pipeline to collect more than $3 million in back taxes, together with interest and penalties.
The lawsuit relates to a utilities tax on certain of Northern Border Pipeline’s properties within the Fort Peck Indian
Reservation. Northern Border Pipeline and the Tribes, through a mediation process, have held settlement discussions
and  have  reached  a  settlement  in  principle  on  pipeline  right-of-way  lease  and  taxation  issues, subject  to  final
documentation and necessary governmental approvals. Northern Border Pipeline advises that it believes it will obtain
regulatory  recovery  of the  costs  resulting  from  the  settlement, which  will  result  in  no  material  adverse  impact  to  its
results of operations or financial position. See Item 7. “Management’s Discussion and Analysis of Financial Condition
and Results of Operations – Risk Factors and Cautionary Statement Regarding Forward-Looking Information.”

See Item 1. “Business – Business of Northern Border Pipeline Company – FERC Regulation” for a discussion on the
proceeding relating to company use gas before the FERC.

Northern Border Pipeline is not currently party to any other legal proceedings that, individually or in aggregate, would
reasonably be expected to have a material adverse impact on TC PipeLines’ results of operations or financial position.

Tuscarora is not currently a party to any material legal proceedings.

Item 4. Submission of Matters to a Vote of Security Holders

There were no matters submitted to a vote of security holders, through solicitation of proxies or otherwise, during the
year ended December 31, 2002.

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PA RT   I I

Item 5. Market for Registrant’s Common Units and Related Security Holder Matters

The common units, representing limited partner interests in the Partnership, were issued pursuant to an initial public
offering on May 28, 1999 at a price of $20.50 per common unit. The common units are quoted on the Nasdaq Stock
Market and trade under the symbol “TCLP.”

The following table sets forth, for the periods indicated, the high and low sale prices per common unit, as reported by
the  Nasdaq  Stock  Market, and  the  amount  of cash  distributions  per  common  unit  declared  with  respect  to  the
corresponding periods. Cash distributions are paid within 45 days after the end of each quarter to unitholders of record
as of the record date.

2002
First Quarter
Second Quarter
Third Quarter
Fourth Quarter

2001
First Quarter
Second Quarter
Third Quarter
Fourth Quarter

Price Range

High

Low

Cash Distributions
Declared per Unit

$ 27.38
$ 26.00
$ 26.99
$ 27.88

$ 24.50
$ 24.24
$ 27.00
$ 27.60

$ 23.90
$ 23.31
$ 21.30
$ 24.02

$ 16.25
$ 20.00
$ 21.85
$ 23.00

$ 0.500
$ 0.525
$ 0.525
$ 0.525

$ 0.475
$ 0.500
$ 0.500
$ 0.500

As of March 11, 2003, there were 96 record holders of common units and approximately 7,300 beneficial owners of
common units, including common units held in street name.

The  Partnership  currently  has  15,627,129  common  units  outstanding, of which  11,890,694  are  held  by  the  public,
2,800,000 are held by an affiliate of the general partner, and 936,435 are held by the general partner. The Partnership
also has 1,872,871 subordinated units outstanding, all of which are held by the general partner, for which there is no
established public trading market. The common units and the subordinated units represent an aggregate 98% limited
partner interest and the general partner interest represents an aggregate 2% general partner interest in the Partnership.

In  general, the  general  partner  is  entitled  to  2%  of all  cash  distributions  and  the  holders  of common  units  and
subordinated units (collectively referred to as unitholders) are entitled to the remaining 98% of all cash distributions.
The Partnership’s quarterly cash distributions to its unitholders, are comprised of all of its Available Cash. Available
Cash is defined in the partnership agreement and generally means, with respect to any quarter of the Partnership, all
cash on hand at the end of a quarter less the amount of cash reserves that are necessary or appropriate, in the reasonable
discretion of the general partner, to:

• provide for the proper conduct of the business of the Partnership (including reserves for future capital expenditures

and for anticipated credit needs);
comply with applicable laws or any Partnership debt instrument or agreement; or

•
• provide funds for cash distributions to unitholders and the general partner in respect of any one or more of the next

four quarters.

Distributions  of Available  Cash  to  the  holder  of subordinated  units  are  subject  to  the  prior  rights  of the  holders  of
common  units  to  receive  the  minimum  quarterly  distribution  for  each  quarter  while  the  subordinated  units  are
outstanding  (subordination  period), and  to  receive  any  arrearages  in  the  cash  distribution  of minimum  quarterly
distributions  on  the  common  units  for  prior  quarters  during  the  subordination  period. The  partnership  agreement
defines the minimum quarterly distribution as $0.45 for each full fiscal quarter.

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The general partner is entitled to incentive distributions if the amount distributed with respect to any quarter exceeds
the minimum quarterly distribution of $0.45 per unit. Under the incentive distribution provisions, the general partner
is  entitled  to  15%  of amounts  distributed  in  excess  of $0.45  per  unit, 25%  of amounts  distributed  in  excess  of
$0.5275 per  unit, and  50%  of amounts  distributed  in  excess  of $0.69  per  unit  provided  the  balance  has  been  first
distributed  to  unitholders  on  a  pro  rata  basis. The  amounts  that  trigger  incentive  distributions  at  various  levels  are
subject to adjustment in certain events, as described in the partnership agreement.

In 2002, the Partnership made cash distributions to unitholders and the general partner that amounted to $37.4 million
compared to $35.2 million in 2001. These payments represented $0.50 per unit for the quarters ended December 31, 2001
and March 31, 2002 and $0.525 per unit for the quarters ended June 30, 2002 and September 30, 2002. On February 14, 2003,
the  Partnership  paid  a  cash  distribution  of $9.6  million  to  unitholders  and  the  general  partner, representing  a  cash
distribution of $0.525 per unit for the quarter ended December 31, 2002. The distribution was allocated in the following
manner: $8.2  million  to  the  holders  of common  units  as  of the  close  of business  on  January 31, 2003  (including
$1.5 million to an affiliate of the general partner as holder of 2,800,000 common units and $0.5 million to the general
partner as holder of 936,435 common units), $1.0 million to the general partner as holder of the subordinated units,
$0.2 million to the general partner as holder of incentive distribution rights, and $0.2 million to the general partner in
respect of its 2% general partner interest.

Subordination Period
The subordination period extends until the first day of any quarter beginning after June 30, 2004 in respect of which:

•

• distributions of Available Cash from operating surplus on the common units and the subordinated units for each of
the  three  non-overlapping  four-quarter  periods  immediately  preceding  that  date  equaled  or  exceeded  the  sum  of
the minimum  quarterly  distribution  on  all  of the  outstanding  common  units  and  subordinated  units  during
those periods;
the adjusted operating surplus generated during each of the three non-overlapping four-quarter periods immediately
preceding that date equaled or exceeded the sum of the minimum quarterly distribution on all of the common units
and the subordinated units that were outstanding on a fully diluted basis and the related distributions on the general
partner interest during those periods; and
there are no arrearages in payment of the minimum quarterly distribution on the common units.

•

Before  the  end  of the  subordination  period  and  to  the  extent  the  tests  for  conversion  described  above  are  satisfied,
a portion  of the  subordinated  units  may  convert  into  common  units  prior  to  June  30, 2004. On  August  1, 2002,
936,435 subordinated  units, representing  one-third  of the  then  outstanding  subordinated  units  held  by  the  general
partner, upon  satisfaction  of the  tests  set  forth  in  the  partnership  agreement, automatically  converted  into  an  equal
number  of common  units  as  provided  for  in  the  partnership  agreement  of TC  PipeLines. A  second  one-third  of
subordinated units (936,435 subordinated units) may convert into common units on a one-for-one basis on the first
day after the record date established for the distribution in respect of any quarter ending on or after June 30, 2003.

Upon expiration of the subordination period, all remaining subordinated units will convert into common units on a
one-for-one basis and will thereafter participate, pro rata with the other common units in distributions of Available Cash.

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Item 6. Selected Financial Data

The selected financial data should be read in conjunction with the financial statements, including the notes thereto,
and Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

TC PIPELINES, LP

(millions of dollars, except per unit amounts)

Income Data
Equity income from investment in Northern Border Pipeline
Equity income from investment in Tuscarora (2)
General and administrative expenses
Financial charges

Net income
Basic and diluted net income per unit
Units outstanding (millions)

Cash Flow Data
Net cash provided by operating activities
Distributions paid

Balance Sheet Data (at end of period)
Investment in Northern Border Pipeline
Investment in Tuscarora (2)
Total assets
Long-term debt
Partners’ equity

(1)

(2)

The Partnership commenced operations on May 28, 1999.

The Partnership acquired a 49% interest in Tuscarora on September 1, 2000.

Year Ended December 31
2001

2002

May 28 (1) – 
2000 Dec 31, 1999

$

42.8
4.7
(1.5)
(0.5)

45.5
2.50
17.5

52.1
37.4

242.9
36.7
286.0
11.5
273.9

$

42.1
3.6
(1.2)
(1.0)

43.5
2.40
17.5

42.9
35.2

250.1
29.3
288.7
21.5
266.7

$

38.1
0.9
(1.3)
(0.5)

37.2
2.08
17.5

40.3
32.6

248.1
27.9
277.5
21.5
255.4

$

20.9
–
(0.7)
–

20.2
1.13
17.5

11.8
11.0

250.5
–
251.2
–
250.8

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of
Operations

As  a  result  of the  Partnership’s  ownership  of investments  in  both  Northern  Border  Pipeline  and Tuscarora, the  following
discusses first the results of operations and liquidity and capital resources of TC PipeLines, then those of each of Northern
Border Pipeline and Tuscarora in their entirety.

The  following  discussions  of the  financial  condition  and  results  of operations  for  the  Partnership, Northern  Border
Pipeline and Tuscarora should be read in conjunction with the financial statements and notes thereto of the Partnership
and Northern Border Pipeline included elsewhere in this report (see Item 8. – “Financial Statements and Supplementary
Data”). For more detailed information regarding the basis of presentation for the following financial information, see
the  notes  to  the  financial  statements  of the  Partnership  and  Northern  Border  Pipeline. As  of December  31, 2002,
TC PipeLines’ interest in Northern Border Pipeline represents approximately 85% of TC PipeLines’ total assets and for
the year ended December 31, 2002 provided approximately 90% of TC PipeLines’ equity income. All amounts are stated
in United States dollars.

RESULTS OF OPERATIONS OF TC PIPELINES, LP

Critical Accounting Policy
TC PipeLines accounts for its investments in both Northern Border Pipeline and Tuscarora using the equity method of
accounting as detailed in Note 3 and Note 4 to the Partnership’s Financial Statements, included elsewhere in this report.
The equity method of accounting is appropriate where the investor does not control an investee, but rather is able to
exercise significant influence over the operating and financial policies of an investee. TC PipeLines is able to exercise

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significant influence over its investments in Northern Border Pipeline and Tuscarora as evidenced by its representation
on their respective management committees.

Since the 30% general partner interest in Northern Border Pipeline and the 49% general partner interest in Tuscarora
are currently the Partnership’s only material sources of income, the Partnership’s results of operations are influenced by
and reflect the same factors that influence the financial results of Northern Border Pipeline and Tuscarora.

Year Ended December 31, 2002 Compared with the Year Ended December 31, 2001
Net  income  increased  $2.0  million, or  5%, to  $45.5  million  for  the  year  ended  December  31, 2002, compared  to
$43.5 million for 2001. The increase is primarily due to higher equity income from the Partnership’s investments in
Northern Border Pipeline and Tuscarora.

Equity  income  from  the  Partnership’s  investment  in  Northern  Border  Pipeline  increased  $0.7  million, or  2%, to
$42.8 million for the year ended December 31, 2002 compared to $42.1 million for 2001. Northern Border Pipeline’s
revenues increased in 2002 due to Project 2000, Northern Border Pipeline’s expansion and extension that was placed in
service  in  October  2001. This  had  the  impact  of increasing  the  Partnership’s  2002  equity  income  by  approximately
$2.4 million. Also, favorable  interest  rates  decreased  Northern  Border  Pipeline’s  interest  expense  in  2002  further
increasing  2002  equity  income  to  the  Partnership  by  $1.1  million. These  increases  were  largely  offset  by  a  reserve
recorded  by  Northern  Border  Pipeline in  2002  for  potential  costs  that  may  arise  from  the  treatment  of previously
collected quantities of natural gas used in utility operations to cover electric power costs, resulting in a $3.0 million
decrease  in  2002  equity  income  to  the  Partnership  (see  Item  1. “Business  –  Business  of Northern  Border  Pipeline
Company – FERC Regulation”).

Equity income from the Partnership’s investment in Tuscarora increased $1.1 million, or 31%, to $4.7 million for the
year ended December 31, 2002, compared to $3.6 million for 2001. This increase is attributed to incremental revenue
from new transportation contracts, the completion of Tuscarora’s expansion facilities, which were placed into service
on December 1, 2002, as well as lower interest expense, resulting from the capitalization of interest expense related to
funds being used for the expansion.

The  Partnership  recorded  general  and  administrative  expenses  of $1.5  million  and  $1.2  million  for  the  years  ended
December 31, 2002 and 2001, respectively.

The Partnership recorded financial charges of $0.5 million and $1.0 million for the years ended December 31, 2002 and
2001, respectively. This  decrease  is  primarily  attributed  to  the  Partnership  repaying  $10.0  million  of the  balance
outstanding on its Revolving Credit Facility during 2002, which reduced the balance outstanding from $21.5 million to
$11.5 million, and to lower average interest rates during 2002.

Year Ended December 31, 2001 Compared with the Year Ended December 31, 2000
Net  income  increased  $6.3  million, or  17%, to  $43.5  million  for  the  year  ended  December  31, 2001, compared  to
$37.2 million for 2000. The increase is primarily due to higher equity income from the Partnership’s investments in
Northern Border Pipeline and Tuscarora.

Equity  income  from  the  Partnership’s  investment  in  Northern  Border  Pipeline  increased  $4.0  million, or  10%, to
$42.1 million for the year ended December 31, 2001, compared to $38.1 million for 2000. Approximately $1.0 million
of this  increase  is  due  to  Project  2000. An  additional  $1.9  million  of the  increase  is  due  to  lower  operating  and
maintenance costs as a result of Northern Border Pipeline’s efforts to reduce these costs, offset by the reserve to provide
for November and December 2001 revenues due to Northern Border Pipeline under transportation agreements with
Enron North America Corp. (ENA), a subsidiary of Enron. ENA, which filed for Chapter 11 bankruptcy protection on
December 2, 2001, is in default of its payments to Northern Border Pipeline, starting with payments due for November
2001 (see “Results of Operations of Northern Border Pipeline Company – Update on the Impact of Enron’s Chapter 11

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Filing  on  Northern  Border  Pipeline’s  Business”). Lower  average  interest  rates  decreased  Northern  Border  Pipeline’s
interest expense in 2001 further increasing 2001 equity income by $2.9 million. These increases to 2001 equity income
were partially offset by lower other income for Northern Border Pipeline in 2001, resulting in a $2.5 million decrease in
2001  equity  income  to  TC  PipeLines. In  2000, Northern  Border  Pipeline’s  other  income  was  higher  due  to  non-
recurring adjustments related to the approval of its rate settlement agreement.

Equity income from the Partnership’s investment in Tuscarora increased $2.7 million, or 300%, to $3.6 million for the
year  ended  December  31, 2001, compared  to  $0.9  million  for  2000. This  increase  is  attributed  to  the  Partnership
acquiring its interest in Tuscarora in September 2000 and incremental revenues from Tuscarora’s Hungry Valley lateral,
which was placed into service in January 2001.

The  Partnership  recorded  general  and  administrative  expenses  of $1.2  million  and  $1.3  million  for  the  years  ended
December 31, 2001 and 2000, respectively.

The Partnership recorded financial charges of $1.0 million and $0.5 million for the years ended December 31, 2001 and
2000, respectively. This increase is attributed to the Partnership having a balance of $21.5 million outstanding on its
Revolving Credit Facility for the full year in 2001 compared to 2000 when the Partnership only had debt outstanding
for four months of the year, partially offset by a decrease in interest rates in 2001. The Partnership drew on the Revolving
Credit Facility in September 2000 to fund a portion of the purchase price of a 49% general partner interest in Tuscarora.

LIQUIDITY AND CAPITAL RESOURCES OF TC PIPELINES, LP

Cash Distribution Policy of TC PipeLines
During the subordination period, which generally cannot end before June 30, 2004, the Partnership makes distributions
of Available Cash in the following manner:

• First, 98%  to  the  common  units, pro  rata, and  2%  to  the  general  partner, until  there  is  distributed  for  each

outstanding common unit an amount equal to the minimum quarterly distribution for that quarter;

• Second, 98%  to  the  common  units, pro  rata, and  2%  to  the  general  partner, until  there  is  distributed  for  each
outstanding common unit an amount equal to any arrearages in payment of the minimum quarterly distribution on
the common units for that quarter and for any prior quarters during the subordination period;

• Third, 98% to the subordinated units, pro rata, and 2% to the general partner, until there is distributed for each

outstanding subordinated unit an amount equal to the minimum quarterly distribution for that quarter; and

• Thereafter, in a manner whereby the general partner has rights (referred to as incentive distribution rights) to receive

increasing percentages of excess quarterly cash distributions over specified cash distribution thresholds.

The general partner is entitled to incentive distributions if the amount distributed with respect to any quarter exceeds
the minimum quarterly distribution of $0.45 per unit. Under the incentive distribution provisions, the general partner
is  entitled  to  15%  of amounts  distributed  in  excess  of $0.45  per  unit, 25%  of amounts  distributed  in  excess  of
$0.5275 per  unit, and  50%  of amounts  distributed  in  excess  of $0.69  per  unit  provided  the  balance  has  been  first
distributed  to  unitholders  on  a  pro  rata  basis. The  amounts  that  trigger  incentive  distributions  at  various  levels  are
subject to adjustment in certain events, as described in the partnership agreement.

Conversion of Subordinated Units
On August 1, 2002, 936,435 subordinated units, representing one-third of the then outstanding subordinated units held
by  the  general  partner, automatically  converted  into  an  equal  number  of common  units  upon  satisfaction  of the
conditions set forth in the partnership agreement of TC PipeLines.

General 
On January 21, 2003, the board of directors of the general partner declared the Partnership’s 2002 fourth quarter cash
distribution. The fourth quarter cash distribution, which was paid on February 14, 2003 to unitholders of record as of

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January  31, 2003, totaled  $9.6  million  and  was  paid  in  the  following  manner: $8.2  million  to  common  unitholders
(including $1.5 million to an affiliate of the general partner as holder of 2,800,000 common units and $0.5 million to
the  general  partner  as  holder  of 936,435  common  units), $1.0  million  to  the  general  partner  as  holder  of the
subordinated units, $0.2 million to the general partner as the holder of incentive distribution rights, and $0.2 million
to the general partner in respect of its 2% general partner interest.

On September 30, 2002 the Partnership renewed its unsecured credit facility (Revolving Credit Facility) with Bank One
as  administrative  agent  and  the  other  lenders  party  to  the  agreement  governing  the  Revolving  Credit  Facility  under
which the Partnership may borrow up to an aggregate principal amount of $20.0 million. Loans under the Revolving
Credit  Facility  may  bear  interest, at  the  option  of the  Partnership, at  a  one-, two-, three-, or  six-month  London
Interbank Offered Rate (LIBOR) plus 1.25%, or at a floating rate based on the higher of the federal funds effective rate
plus 0.5% and the prime rate. The Revolving Credit Facility matures on July 31, 2004. Amounts borrowed may be repaid
in  part  or  in  full  prior  to  that  time  without  penalty. The  Revolving  Credit  Facility  may  be  used  to  finance  capital
expenditures and for other general purposes. The Partnership had $11.5 million and $21.5 million outstanding under
the Revolving Credit Facility at December 31, 2002 and 2001, respectively. The interest rate on the Revolving Credit
Facility at December 31, 2002 and 2001 was 2.7% and 3.0%, respectively. As at March 28, 2003, there is $11.5 million
outstanding under the Revolving Credit Facility.

On April 23, 2002, the Partnership filed a shelf registration statement with the SEC to sell, from time to time, up to
$200 million of common units representing limited partner interests and/or debt securities. The Partnership intends to
use the net proceeds for general purposes, repayment of debt, future acquisitions, capital expenditures and working capital.

On May 28, 2001, the Partnership renewed its $40.0 million unsecured two-year revolving credit facility (TransCanada
Credit  Facility)  with  TransCanada  PipeLines  USA  Ltd., an  affiliate  of the  general  partner. The  TransCanada  Credit
Facility bears interest at LIBOR plus 1.25%. The purpose of the TransCanada Credit Facility is to provide borrowings
to fund capital expenditures, to fund capital contributions to Northern Border Pipeline, Tuscarora and any other entity
in  which  the  Partnership  directly  or  indirectly  acquires  an  interest, to  fund  working  capital  and  for  other  general
business  purposes, including  temporary  funding  of cash  distributions  to  unitholders  and  the  general  partner, if
necessary. At December 31, 2002 and 2001, the Partnership had no amount outstanding under the TransCanada Credit
Facility. As at March 28, 2003, no amount is outstanding under the TransCanada Credit Facility.

Cash Flows from Operating Activities
Cash  flows  provided  by  operating  activities  increased  $9.2  million, or  21%, to  $52.1  million  for  the  year  ended
December  31, 2002, compared  to  $42.9  million  for  2001. In  2002, the  Partnership  received  cash  distributions  of
$49.2 million and $4.6 million from its investments in Northern Border Pipeline and Tuscarora, respectively, compared
to $42.9 million and $2.4 million, respectively, in 2001.

Cash  flows  provided  by  operating  activities  increased  $2.6  million, or  6%, to  $42.9  million  for  the  year  ended
December 31, 2001, compared  to  $40.3  million  for  2000. In  2000, the  Partnership  received  cash  distributions  of
$40.5 million and $1.5 million from Northern Border Pipeline and Tuscarora, respectively.

Cash Flows from Investing Activities
For the year ended December 31, 2002, the Partnership made equity contributions totalling $7.6 million to Tuscarora
related  to  Tuscarora’s  expansion  project. This  was  partially  offset  by  a  $0.2  million  return  of capital  received  by  the
Partnership  from  Tuscarora  in  2002. The  Partnership  did  not  have  any  material  sources  or  uses  of cash  relating  to
investing activities in 2001.

In 2000, the Partnership paid $28.4 million to purchase a 49% general partner interest in Tuscarora.

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Cash Flows from Financing Activities
For  the  year  ended  December  31, 2002, the  Partnership  paid  cash  distributions  of $37.4  million, compared  to
$35.2 million in 2001. The increase is due to the Partnership increasing its quarterly cash distribution from $0.50 per
unit to $0.525 per unit beginning with the 2002 second quarter cash distribution. In 2000, the Partnership paid cash
distributions of $32.6 million.

For the year ended December 31, 2002, the Partnership repaid $10.0 million of the balance outstanding on the Revolving
Credit Facility. The Partnership did not make any drawings or repayments on the Revolving Credit Facility in 2001. In
2000, the Partnership made its initial borrowing of $24.5 million from the Revolving Credit Facility to fund a portion
of the  purchase  price  of the  49%  general  partner  interest  in  Tuscarora  and  repaid  $3.0  million  in  the  same  year. At
December 31, 2002, the Partnership had $11.5 million outstanding under the Revolving Credit Facility.

Capital Requirements
To the extent TC PipeLines has any capital requirements with respect to its investments in Northern Border Pipeline
and Tuscarora or makes acquisitions in 2003, TC PipeLines expects to finance these requirements with operating cash
flows, debt and/or equity.

Impact of Enron’s Chapter 11 Filing on TC PipeLines’ Business
In 2001, Enron filed a voluntary petition for bankruptcy protection under Chapter 11 of the United States Bankruptcy
Code. For more details see “Results of Operations of Northern Border Pipeline Company – Update on the Impact of
Enron’s Chapter 11 Filing on Northern Border Pipeline’s Business.”

Based on currently available information, TC PipeLines does not expect the impact of Enron’s bankruptcy protection
filing on Northern Border Pipeline to have a material impact on the business or financial condition of TC PipeLines.

TC PipeLines continues to monitor developments at Enron and to assess any impact of Enron’s Chapter 11 proceedings
on Northern Border Pipeline in light of Northern Border Pipeline’s existing agreements and relationships with Enron
and its subsidiaries, and to take all appropriate action to protect the interests of TC PipeLines and its unitholders.

RESULTS OF OPERATIONS OF NORTHERN BORDER PIPELINE COMPANY

In  the  following  discussion  of the  results  of Northern  Border  Pipeline, all  amounts  represent  100%  of the  operations  of
Northern Border Pipeline, in which the Partnership has held a 30% interest since May 28, 1999.

The discussion and analysis of Northern Border Pipeline’s financial condition and operations are based on Northern
Border Pipeline’s financial statements, which were prepared in accordance with accounting principles generally accepted
in the United States of America. The following discussion and analysis should be read in conjunction with Northern
Border Pipeline’s financial statements included elsewhere in this report.

Critical Accounting Policies and Estimates
Certain amounts included in or affecting Northern Border Pipeline’s financial statements and related disclosures must
be estimated, requiring Northern Border Pipeline to make certain assumptions with respect to values or conditions that
cannot  be  known  with  certainty  at  the  time  the  financial  statements  are  prepared. The  preparation  of financial
statements  in  conformity  with  accounting  principles  generally  accepted  in  the  United  States  of America  requires
management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure
of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and
expenses during the reporting period. Actual results could differ from those estimates. Any effects on Northern Border
Pipeline’s business, financial position or results of operations resulting from revisions to these estimates are recorded in
the period in which the facts that give rise to the revision become known.

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Northern  Border  Pipeline’s  significant  accounting  policies  are  summarized  in  Note  2  –  Notes  to  Northern  Border
Pipeline’s  Financial  Statements  included  elsewhere  in  this  report. Certain  of Northern  Border  Pipeline’s  accounting
policies are of more significance in its financial statement preparation process than others. Northern Border Pipeline’s
accounting policies conform to Statement of Financial Accounting Standards (SFAS) No. 71, “Accounting for the Effects
of Certain  Types  of Regulation.” Accordingly, certain  assets  that  result  from  the  regulated  ratemaking  process  are
recorded that would not be recorded under accounting principles generally accepted in the United States of America for
nonregulated  entities. Northern  Border  Pipeline  continually  assesses  whether  the  regulatory  assets  are  probable  of
future  recovery  by  considering  such  factors  as  regulatory  changes  and  the  impact  of competition. If future  recovery
ceases to be probable, Northern Border Pipeline would be required to write off the regulatory assets at that time. At
December 31, 2002, Northern Border Pipeline has reflected regulatory assets of $10.5 million, which are being recovered
from its shippers over varying periods of time. Northern Border Pipeline’s long-lived assets are stated at original cost.
Northern  Border  Pipeline  must  use  estimates  in  determining  the  economic  useful  lives  of those  assets. For  utility
property, no retirement gain or loss is included in income except in the case of retirements or sales of entire regulated
operating units. The original cost of utility property retired is charged to accumulated depreciation and amortization,
net of salvage and cost of removal. Northern Border Pipeline’s accounting for financial instruments follows SFAS No.
133, “Accounting  for  Derivative  Instruments  and  Hedging  Activities.” SFAS  No. 133  requires  that  every  derivative
instrument be recorded on the balance sheet as either an asset or liability measured at fair value. The statement requires
that changes in the derivative’s fair value be recognized currently in earnings unless specific hedge accounting criteria
are  met. Special  accounting  for  qualifying  hedges  allows  a  derivative’s  gains  or  losses  to  offset  related  results  on  the
hedged item in the income statement. At December 31, 2002, Northern Border Pipeline’s balance sheet included assets
from derivative financial instruments of $21.2 million.

Results of Operations
Northern  Border  Pipeline’s  net  income  to  partners  was  $142.7  million  in  2002, compared  to  net  income  of
$140.5 million in 2001 and $127.1 million in 2000. Northern Border Pipeline’s 2002 operating results benefited from
increased operating revenues from Project 2000, which was Northern Border Pipeline’s expansion and extension that
was placed in service in October 2001, and reductions in interest expense due to lower interest rates. Partially offsetting
these increases to Northern Border Pipeline’s operating results were higher operations and maintenance expenses for
2002  as  compared  to  2001. Northern  Border  Pipeline’s  2001  results  also  included  a  write-off for  an  uncollectible
receivable. Northern Border Pipeline’s increase in net income in 2001 over 2000 resulted from reductions in interest
rates, which  reduced  Northern  Border  Pipeline’s  interest  expense  for  2001  as  compared  to  2000. Northern  Border
Pipeline  was  also  able  to  control  its  operating  costs  in  2001  resulting  in  reductions  to  operations  and  maintenance
expenses as compared to 2000.

Operating revenues were $321.1 million in 2002, $313.1 million in 2001 and $311.0 million in 2000. The increase in
operating  revenues  in  2002  over  2001  resulted  from  additional  revenues  of approximately  $10.3  million  related  to
Project  2000. The  impact  of the  additional  revenues  associated  with  Project  2000  was  partially  offset  by  uncollected
revenues  associated  with  the  transportation  capacity  formerly  held  by  ENA, which  filed  for  Chapter  11  bankruptcy
protection in December 2001 (see “Update on the Impact of Enron’s Chapter 11 Filing on Northern Border Pipeline’s
Business”). For 2002, the revenues lost on this capacity totaled approximately $1.8 million. The increase in operating
revenues in 2001 over 2000 was primarily due to additional revenues associated with the completion of Project 2000 in
October 2001.

Operations and maintenance expenses were $41.4 million in 2002, $33.7 million in 2001 and $41.5 million in 2000. The
2002  expense  included  a  $10.0  million  reserve  for  potential  costs  that  may  arise  from  the  treatment  of previously
collected  quantities  of natural  gas  used  in  utility  operations  to  cover  electric  power  costs  (see  Item  1. “Business  –
Business of Northern Border Pipeline Company – FERC Regulation”). In 2002, Northern Border Pipeline also had an
increase in regulatory commission expense and decreases in employee benefits expenses, administrative expenses and

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bad debt expense, as compared to 2001. The 2001 expense included $1.3 million of bad debt expense related to ENA.
The decrease in operations and maintenance expense in 2001 from 2000 reflects a decrease in regulatory commission
expense, decreased employee payroll, employee benefits expenses and administrative expenses and decreased costs to
operate  two  of Northern  Border  Pipeline’s  electric-powered  compressor  units  as  a  result  of collected  quantities  of
natural gas used in utility operations to cover electric power costs.

Depreciation and amortization expenses were $58.7 million in 2002, $57.5 million in 2001 and $57.3 million in 2000.
The increase between 2001 and 2002 reflects a $1.2 million increase due to Project 2000.

Taxes other than income were $28.4 million in 2002, $25.6 million in 2001 and $28.0 million in 2000. The increase in
2002 from 2001 is due primarily to adjustments to ad valorem taxes. Northern Border Pipeline periodically reviews and
adjusts  its  estimates  of ad  valorem  taxes. Reductions  to  previous  estimates  in  2001  exceeded  reductions  to  previous
estimates in 2002 by approximately $2.1 million. The decrease in taxes other than income in 2001 from 2000 was also
due to a decrease in use taxes. As a result of a ruling by the Minnesota Supreme Court, Northern Border Pipeline filed for
a refund of use taxes previously paid on exempt purchases. Northern Border Pipeline received the refund in March 2002.

Interest expense was $51.5 million in 2002, $55.4 million in 2001 and $65.2 million in 2000. Both 2002 and 2001 interest
expense decreased from prior year levels due to a decrease in Northern Border Pipeline’s average interest rates as well as
a  decrease  in  its  average  debt  outstanding. The  2001  results  included  $0.9  million  of interest  expense  capitalized
primarily related to construction of Project 2000 facilities.

Other income (expense) was $1.8 million in 2002, ($0.4) million in 2001 and $8.1 million in 2000. In 2002, Northern
Border Pipeline recorded income of approximately $0.6 million for amounts received for previously vacated microwave
frequency bands and income of $0.2 million due to a reduction in reserves previously established. The amount for 2001
includes a charge of approximately $1.5 million for an uncollectible receivable from a telecommunications company
that had purchased excess capacity on Northern Border Pipeline’s communication system and a $0.7 million charge for
reserves  established. Northern  Border  Pipeline  recorded  an  allowance  for  equity  funds  used  during  construction  of
$0.9 million  in  2001  primarily  due  to  Project  2000. In  2000, Northern  Border  Pipeline  had  recorded  approximately
$1.7 million  of income  from  the  sale  of excess  capacity  on  its  communication  system. Other  income  for  2000  also
included $5.6 million of income due to a reduction in reserves previously established for regulatory issues as the result
of the settlement of Northern Border Pipeline’s rate case.

LIQUIDITY AND CAPITAL RESOURCES OF NORTHERN BORDER PIPELINE COMPANY

Cash Distribution Policy of Northern Border Pipeline
Under the terms of the cash distribution policy of Northern Border Pipeline, distributions to the general partners of
Northern Border Pipeline are to be made on a proportionate basis according to each general partner’s capital account
balance. The Northern Border Pipeline management committee determines the amount and timing of distributions.
Cash distributions are computed as the sum of 100% of net income, excluding specific non-cash items, 100% of the
current portion of any allowance for income taxes and 35% of the sum of deferred tax expense, depreciation expense
and amortization of regulatory assets, minus 35% of maintenance capital expenditures. Cash distributions are currently
made by Northern Border Pipeline on a quarterly basis approximately one month after the end of the quarter.

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Summary of Certain Contractual Obligations

Payments Due by Period

(millions of dollars)

1992 Series D Senior Notes
Senior Notes due 2007
Senior Notes due 2009
Senior Notes due 2021
Credit Agreement due 2005
Operating Leases (1)

Total

(1)

See Note 7 – Notes to Northern Border Pipeline’s Financial Statements.

Total

Less Than 
1 Year

1-3 Years

4-5 Years

$  65.0
225.0
200.0
250.0
89.0
6.0

$  835.0

$  65.0
–
–
–
–
0.9

$  65.9

$ 

$

–
–
–
–
89.0
1.7

90.7

$

–
225.0
–
–
–
1.7

$ 226.7

$  451.7

After
5 Years

$ 

–
–
200.0
250.0
–
1.7

Debt and Credit Facilities
Northern Border Pipeline entered into a $175 million three-year credit agreement (2002 Pipeline Credit Agreement)
with  certain  financial  institutions  in  May  2002. The  2002  Pipeline  Credit  Agreement  replaced  a  previous  credit
agreement. The 2002 Pipeline Credit Agreement is to be used to refinance existing indebtedness and for general business
purposes. At December 31, 2002, $89 million was outstanding under the 2002 Pipeline Credit Agreement at an average
interest rate of 2.05%. The 2002 Pipeline Credit Agreement requires the maintenance of a ratio of EBITDA (net income
plus interest expense, income taxes and depreciation and amortization) to interest expense of greater than 3 to 1. The
2002 Pipeline Credit Agreement also requires the maintenance of a ratio of indebtedness to EBITDA to be no more than
4.5 to 1. At December 31, 2002, Northern Border Pipeline was in compliance with these covenants.

At  December  31, 2002, Northern  Border  Pipeline  had  outstanding  $65  million  of Series  D  Senior  Notes  issued  in  a
$250 million private placement under a July 1992 note purchase agreement. The Series D Senior Notes mature in August
2003. Northern Border Pipeline anticipates borrowing under the 2002 Pipeline Credit Agreement to repay the Series D
Senior Notes.

In April 2002, Northern Border Pipeline completed a private offering of $225 million of 6.25% Senior Notes due 2007
(2002  Pipeline  Senior  Notes). In  September  2001, Northern  Border  Pipeline  completed  a  private  offering  of
$250 million of 7.50% Senior Notes due 2021 (2001 Pipeline Senior Notes). In August 1999, Northern Border Pipeline
completed a private offering of $200 million of 7.75% Senior Notes due 2009 (1999 Pipeline Senior Notes). The 2002
Pipeline Senior Notes, 2001 Pipeline Senior Notes and 1999 Pipeline Senior Notes (collectively Pipeline Senior Notes)
were subsequently exchanged in a registered offering for notes with substantially identical terms. The indentures under
which  the  Pipeline  Senior  Notes  were  issued  do  not  limit  the  amount  of unsecured  debt  Northern  Border  Pipeline
incurs, but they do contain material financial covenants, including restrictions on incurrence of secured indebtedness.
The proceeds from the Pipeline Senior Notes were used to reduce indebtedness outstanding.

Northern Border Pipeline entered into interest rate swap agreements with notional amounts totaling $225 million in
May 2002. Under the interest rate swap agreements, Northern Border Pipeline makes payments to counterparties at
variable rates based on LIBOR and in return receives payments based on a 6.25% fixed rate. The swaps were entered
into to hedge the fluctuations in the market value of the 2002 Pipeline Senior Notes. At December 31, 2002, the average
effective interest rate on Northern Border Pipeline’s interest rate swap agreements was 2.70%.

Northern  Border  Pipeline’s  short-term  liquidity  needs  will  be  met  by  operating  cash  flows  and  through  the  2002
Pipeline Credit Agreement. Northern Border Pipeline’s long-term capital needs may be met through the ability to issue
long-term indebtedness.

Cash Flows From Operating Activities
Cash flows provided by operating activities were $223.5 million in 2002, $197.3 million in 2001 and $176.0 million in
2000. The $26.2 million increase in 2002 from 2001 was primarily due to increases in operating revenues and the impact

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of rate case refunds in 2001. In 2001, Northern Border Pipeline realized net cash outflows of approximately $4.7 million
related to its rate case refunds. During the first quarter of 2001, Northern Border Pipeline made refunds to its shippers
totaling  $6.8  million, which  included  approximately  $2.1  million  collected  in  the  first  quarter  of 2001  with  the
remainder collected previously. The $21.3 million increase in 2001 from 2000 was primarily due to increased earnings
and positive changes in working capital.

Cash Flows From Investing Activities
Capital  expenditures  were  $8.4  million  for  2002  as  compared  to  $54.7  million  for  2001  and  $15.5  million  for  2000.
The 2002, 2001 and 2000 amounts include $0.3 million, $49.0 million and $7.4 million, respectively, for Project 2000.
The  remaining  capital  expenditures  for  2002, 2001and  2000  were  primarily  related  to  renewals  and  replacements  of
existing facilities.

Total capital expenditures for 2003 are estimated to be $11 million primarily related to renewals and replacements of
existing  facilities. Northern  Border  Pipeline  currently  anticipates  funding  its  2003  capital  expenditures  primarily  by
borrowing on debt facilities and using operating cash flows.

Cash Flows From Financing Activities 
Cash  flows  used  in  financing  activities  were  $200.8  million  for  the  year  ended  December  31, 2002  as  compared  to
$160.7 million for the same period in 2001 and $148.7 million for the same period in 2000. Distributions to Northern
Border Pipeline’s partners were $164.1 million, $143.0 million and $134.9 million for 2002, 2001 and 2000, respectively.
The increase in distributions was primarily due to Northern Border Pipeline’s improved operating results.

For  2002, 2001  and  2000, Northern  Border  Pipeline’s  borrowings  on  long-term  debt  totaled  $431.0  million,
$385.4 million and $75.0 million, respectively, which were primarily used to repay previously existing indebtedness. For
2002, Northern Border Pipeline received net proceeds from the 2002 Pipeline Senior Notes of approximately $223.5 million.
The net proceeds from the issuance of the 2001 Pipeline Senior Notes totaled approximately $247.2 million in 2001.
Northern Border Pipeline’s borrowings under its credit agreements were $207.0 million in 2002, $136.0 million in 2001
and $75.0 million in 2000. Total payments on debt were $468.0 million, $374.0 million and $111.0 million in 2002, 2001
and 2000, respectively.

In April 2002, Northern Border Pipeline received $2.4 million from the termination of forward starting interest rate
swaps upon issuance of the 2002 Pipeline Senior Notes (see Note 6 – Notes to Northern Border Pipeline’s Financial
Statements). In September 2001, Northern Border Pipeline paid approximately $4.1 million to terminate interest rate
swap  agreements  upon  issuance  of the  2001  Pipeline  Senior  Notes. The  swaps  were  entered  into  to  hedge  the
fluctuations in Treasury rates and spreads between the execution date of the swaps and the issuance of the 2002 and
2001  Pipeline  Senior  Notes. For  2001, Northern  Border  Pipeline  recognized  a  decrease  in  bank  overdraft  of
$22.4 million. At December 31, 2000, Northern Border Pipeline reflected the bank overdraft primarily due to rate refund
checks outstanding.

Update on the Impact of Enron’s Chapter 11 Filing on Northern Border Pipeline’s Business
On December 2, 2001, Enron filed a voluntary petition for bankruptcy protection under Chapter 11 of the United States
Bankruptcy  Code. Certain  wholly  owned  Enron  subsidiaries  also  filed  for  Chapter  11  bankruptcy  protection  on
December 2, 2001 and thereafter. Northern Border Pipeline has not filed for bankruptcy protection. Northern Plains,
Pan Border and Northwest Border are the general partners of Northern Border Partners, Northern Border Pipeline’s
70% general partner. Each of Northern Plains and Pan Border are wholly owned subsidiaries of Enron, and Northwest
Border  is  a  wholly  owned  subsidiary  of TransCanada. Northern  Plains  and  Pan  Border  were  not  among  the  Enron
companies that filed for Chapter 11 protection.

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The business of Enron and its subsidiaries that have filed for bankruptcy protection are currently being administered
under the direction and control of the bankruptcy court. An unsecured creditors’ committee has been appointed in the
Chapter  11  cases. The  creditors’ committee  is  responsible  for  general  oversight  of the  bankruptcy  case, and  has  the
power, among  other  things, to: investigate  the  acts, conduct, assets, liabilities, and  financial  condition  of the  debtor,
the operation  of the  debtor’s  business  and  the  desirability  of the  continuance  of such  business; participate  in  the
formulation of a plan of reorganization; and file acceptances or rejections to such a plan. Factors taken into account by
Enron in making its business decisions, while in Chapter 11, may include decisions with respect to its investment in
Northern Plains, Pan Border and Northern Border Partners, which decisions may affect Northern Border Pipeline.

Current Effects
Enron’s  filing  for  bankruptcy  protection  has  impacted  Northern  Border  Pipeline. At  the  time  of the  filing  of the
bankruptcy  petition, Northern  Border  Pipeline  had  a  number  of contractual  relationships  with  Enron  and  its
subsidiaries. Northern Plains provided and continues to provide operating and administrative services for Northern
Border Pipeline. Northern Plains has continued to meet its operational and administrative service obligations under the
existing agreement, and Northern Border Pipeline believes Northern Plains will continue to do so.

ENA, a wholly owned subsidiary of Enron that is in bankruptcy, was a party to shipper contracts obligating ENA to pay
for 3.5% of Northern Border Pipeline’s capacity. Through the bankruptcy proceeding, ENA rejected and terminated all
its contracts with Northern Border Pipeline. Northern Border Pipeline contracted portions of that capacity with others
for  varying  terms. For  2002, Northern  Border  Pipeline  experienced  lost  revenues  of approximately  $1.8  million  for
ENA’s  capacity  (TC  PipeLines’ share  equates  to  $0.5  million). Northern  Border  Pipeline  has  claims  against  ENA  for
damages for breach of contract and other claims.

Northern Border Pipeline filed claims against ENA’s bankruptcy estate related to these agreements. These claims will
likely be deemed to be unsecured claims against certain of the Enron related Chapter 11 companies. Northern Border
Pipeline is uncertain regarding the ultimate amount of damages for breach of contract or other claims that it will be
able to establish in the bankruptcy proceeding, and Northern Border Pipeline cannot predict the amounts that it will
collect or the timing of collection. Northern Border Pipeline advises that it believes, however, that any such delay in
collecting  or  failure  to  collect  will  not  have  a  material  adverse  effect  on  its  financial  condition, and  any  amounts
collected will not be material to Northern Border Pipeline.

Northern  Plains  has  advised  Northern  Border  Pipeline  that  under  the  Operating  Agreement  with  Northern  Plains
increased costs may be incurred for health care expenses and pension benefits. Such costs are projected to increase as a
result of actual medical claims experience, pension investment returns and effects of the Enron bankruptcy filing. While
the determination of reimbursement of such costs by Northern Border Pipeline under the agreement will be made at
the time of occurrence, Northern Border Pipeline estimates an increase of $3 million over 2002 levels (TC PipeLines’
share would equate to $0.9 million).

Enron is the grantor of the Enron Gas Pipeline Employee Benefit Trust (the Trust) which, when taken together with the
Enron Corp. Medical Plan for Inactive Participants (the Plan), constitutes a “voluntary employees’ beneficiary association”
or “VEBA” under Section 501(c)(9) of the Internal Revenue Code. In October 2002, Northern Plains was advised that
Enron had notified the committee, that has administrative and fiduciary oversight related to the Trust and the Plan, that
Enron had made the determination to begin necessary steps to partition the assets of the Trust and the related liabilities
of the Plan among all of the participating employers of the Trust. The Trust was established as a regulatory requirement
for inclusion of certain costs for post-employment medical benefits in the rates established for the affected pipelines,
including Northern Border Pipeline. Enron requested the enrolled actuary to prepare an analysis and recommendation
for the allocation of the Trust’s assets and associated liabilities among all the participating employers. Enron has advised
Northern Border Pipeline’s management that it intends to seek bankruptcy court approval for the termination of the
Trust and for the participating employers to establish a separate trust adequate to receive the assets.

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On May 2, 2002, Enron presented to the creditors’ committee a proposal under which specified core energy assets of
Enron would be separated from Enron’s bankruptcy estate and operated prospectively as a new integrated power and
pipeline company. On August 27, 2002, Enron announced that it had commenced a formal sales process for its interests
in certain major assets, including Northern Plains and Pan Border. On March 19, 2003, Enron announced that its Board
of Directors had voted to move forward with the creation of a new pipeline operating entity rather than sell its interests
in its North American pipelines. This new company, temporarily referred to as “PipeCo”, will include Northern Plains
and Pan Border. Enron’s announcement also stated that Enron expects PipeCo to be governed by an independent board
of directors  and  to  be  afforded  protection  from  joint  and  several  Enron  group  liabilities  associated  with  the  Enron
bankruptcy case. Further, upon resolution of Enron’s Chapter 11 bankruptcy case, it is anticipated that shares of PipeCo
will be distributed to creditors in connection with the Plan of Reorganization. PipeCo is expected to include certain
service companies that currently support the operations of the North American pipelines, including Northern Border
Pipeline. Enron also stated that it is evaluating the potential sale of a minority interest in PipeCo. The formation of
PipeCo will require various Enron Board, bankruptcy court and other regulatory approvals, as well as the consent of
Enron’s Official Unsecured Creditors’ Committee.

Enron’s  filing  for  bankruptcy  protection  and  related  developments  have  had  other  impacts  on  Northern  Border
Pipeline’s  business  and  management. Arthur Andersen  LLP  resigned as  Northern  Border  Pipeline’s  auditors  in  early
2002, and it retained KPMG LLP as its new auditors. Enron has received several requests for information from different
agencies and committees of the United States House of Representatives and Senate. Some of the information requested
from Enron may include information about Northern Border Pipeline. In addition, Northern Border Pipeline is aware
that the Senate Committee on Governmental Affairs has issued a subpoena to Enron requesting documents disclosing
Enron’s  communications  with  the  SEC  and  the  FERC, as  well  as  information  on  compensation  matters. Northern
Border Pipeline has advised that it has been asked to comply with the mandate of the subpoena in such a manner that
may be determined by the Committee on Governmental Affairs of the Senate of the United States, which may arise as
a result of Enron’s indirect ownership of Northern Border Pipeline.

Possible Effects
While Northern Plains and Pan Border have not filed for Chapter 11 bankruptcy protection, their stock is owned by
Enron, which is in bankruptcy. As noted above, Enron could sell its interest in Northern Plains and/or Pan Border, or
take other action with respect to its investment in Northern Border Partners. Enron could also cause Northern Plains
and Pan Border to file for bankruptcy protection. Northern Border Pipeline has had no indication from Enron that it
intends to cause such companies to file for bankruptcy protection.

Northern Border Pipeline is managed by a four-member management committee. One representative is designated by
TC  PipeLines. Three  representatives  are  designated  by  Northern  Border  Partners, with  each  of its  general  partners
selecting one representative. Voting power on the management committee is allocated among the partners in accordance
with their proportionate general partner interests. As a result, TC PipeLines holds 30% of the voting power. The 70%
voting  interest  of Northern  Border  Partners’ three  representatives  is  allocated  35%, 22.75%  and  12.25%  among
Northern Plains, Pan Border and Northwest Border, respectively. If Enron were to sell the stock of Northern Plains and
Pan  Border, the  purchaser  would  have  the  right  to  appoint  a  majority  of Northern  Border  Pipeline’s  management
committee and control its activities, except for those activities requiring a unanimous vote which include changes to
Northern Border Pipeline’s cash distribution policy, certain expansions and extensions of the pipeline, some transfers
of general partner interests and settlement of rate cases.

Northern Border Pipeline has advised that if Northern Plains and Pan Border were to file for bankruptcy protection,
Northern Border Partners’ partnership agreement provides that Northwest Border, as the remaining general partner of
Northern  Border  Partners, would  have  the  right  to  purchase  Northern  Plains’ and  Pan  Border’s  general  partnership
interests. If the remaining general partner does not purchase such general partnership interests, the limited partners of

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Northern Border Partners would have the right to elect new general partners. In the event that the remaining general
partner does not elect to purchase the general partner interests or a successor is not elected by the limited partners, then,
the Northern Border Partners partnership would be dissolved. In either event, the party acquiring the general partner
interests currently held by Northern Plains and Pan Border would have the right to appoint a majority of Northern
Border Pipeline’s management committee and control its activities, except for those activities requiring a unanimous vote.

Northern  Plains  also  serves  as  Northern  Border  Pipeline’s  operator. If Northern  Plains  were  to  file  for  bankruptcy
protection, it could potentially be removed as operator. Certain of Northern Border Pipeline’s credit agreements provide
that it would be an event of default thereunder if Northern Plains is replaced as operator without the consent of the
lenders thereunder.

Other than the items identified above, Northern Border Pipeline is not aware of any claims made against it that arise
out of the Enron bankruptcy cases. Northern Border Pipeline continues to monitor developments at Enron, to assess
the impact on Northern Border Pipeline of its existing agreements and relationships with Enron and its subsidiaries,
and to take appropriate action to protect its interests.

Outlook
Northern Border Pipeline will continue to focus on safe, efficient, and reliable operations and the further development
of its  pipeline  system. Northern  Border  Pipeline  intends  to  maintain  its  position  as  a  low  cost  transporter  of
Canadian gas to the midwestern United States and provide highly valued services to its customers. Growth may occur
through incremental projects intended to access new markets or supply areas and supported by long-term contracts.
Northern Border Pipeline is currently working with producers and marketers to develop the contractual support for a
new 300-mile pipeline project, the Bison Pipeline, to connect the coal bed methane reserves in the Powder River Basin
to markets served by Northern Border Pipeline.

Northern  Border  Pipeline  is  in  re-contracting  discussions  with  its  customers  for  contracts  that  will  expire  prior  to
November 1, 2003, which represent approximately 42% of Northern Border Pipeline’s system capacity. Similar to other
industries, the value of capacity on interstate pipelines is driven by supply and demand conditions. In particular, the
relationship between gas prices in Canada and prices in  the midwestern U.S. markets will determine the underlying
value of transportation. This relationship, and natural gas markets overall, has been volatile, which is also an important
factor  in  contracting  for  firm  transportation  capacity. Under  its  FERC  tariff, Northern  Border  Pipeline  may
concurrently solicit bids for available capacity from other parties subject to the existing customer’s rights to match the
best offer. During 2002, after completion of this process, Northern Border Pipeline received only bids to extend service
from  mid-September  2003  to  October  31, 2003  and  all  other  existing  customers’ rights  to  match  an  offer  were
terminated. Northern Border Pipeline is now in a position to contract with interested parties on a first come, first served
basis. Based on current conditions, contracts for service on the Northern Border pipeline system may require discounts
from maximum transportation rates established in its tariff and/or shorter duration than its existing contract portfolio.
Additionally, Northern Border Pipeline may enter into negotiated rate contracts involving charges established on the
basis of Canadian-midwestern U.S. gas price differentials or other factors.

In February 2003, Northern Border Pipeline filed to amend the definition of company use gas, which is gas supplied by
its shippers for Northern Border Pipeline’s operations, to clarify the language by adding detail to the broad categories
that  comprise  company  use  gas  (see  Item  1. “Business  –  Business  of Northern  Border  Pipeline  Company  –  FERC
Regulation”). Relying  upon  the  currently  effective  version  of the  tariff, Northern  Border  Pipeline  included  in  its
collection  of company  use  gas  quantities  that  were  equivalent  to  the  cost  of electric  power  at  its  electric  driven
compressor stations, resulting in cost savings of approximately $8.0 million annually. Pending the final outcome of this
FERC proceeding, Northern Border Pipeline may not realize electric power cost savings to the same extent for 2003.

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RESULTS OF OPERATIONS OF TUSCARORA GAS TRANSMISSION COMPANY

In the following discussion of the results of Tuscarora, all amounts represent 100% of the operations of Tuscarora, in which
the Partnership has held a 49% interest since September 1, 2000.

Critical Accounting Policy
Tuscarora’s accounting policies conform to SFAS No. 71, “Accounting for the Effects of Certain Types of Regulation.”
Accordingly, certain assets that result from the regulated ratemaking process are recorded that would not be recorded
under generally accepted accounting principles for nonregulated entities.

Year Ended December 31, 2002 Compared to the Year Ended December 31, 2001
Tuscarora’s  net  income  increased  $2.1  million, or  25%, to  $10.4  million  for  the  year  ended  December  31, 2002,
compared to $8.3 million in 2001. This increase is primarily due to higher revenues, lower financial charges and higher
other income.

Revenues generated by Tuscarora increased $1.8 million, or 8%, to $23.1 million for the year ended December 31, 2002,
compared to $21.3 million for 2001. This increase is primarily due to incremental revenues being generated from new
transportation  contracts, including  those  related  to  Tuscarora’s  expansion  facilities, which  were  placed  into  service
December 1, 2002.

Costs and expenses incurred by Tuscarora totaled $2.8 million and $2.6 million for the years ended December 31, 2002
and 2001, respectively.

Tuscarora  recorded  depreciation  of $4.9  million  and  $4.6  million  for  the  years  ended  December  31, 2002  and  2001,
respectively.

Tuscarora recorded financial charges of $5.7 million and $6.1 million for the years ended December 31, 2002 and 2001,
respectively. This  decrease  is  due  to  the  capitalization  of interest  expense  in  2002  related  to  funds  being  used  for
the expansion.

Tuscarora recorded other income of $0.7 million and $0.3 million for the years ended December 31, 2002 and 2001,
respectively. This increase is primarily due to a higher allowance recorded in 2002 related to equity funds used during
construction of the expansion compared to the allowance recorded in 2001 related to the Hungry Valley lateral project.

Year Ended December 31, 2001 Compared with the Year Ended December 31, 2000
Tuscarora’s net income increased $1.5 million, or 22%, to $8.3 million for the year ended December 31, 2001, compared
to $6.8 million in 2000. This increase is primarily due to higher revenues, partially offset by higher costs and expenses
and higher depreciation expense.

Revenues generated by Tuscarora increased $1.9 million, or 10%, to $21.3 million for the year ended December 31, 2001,
compared to $19.4 million in 2000 due to the Hungry Valley lateral which was placed into service in January 2001.

Costs and expenses incurred by Tuscarora totaled $2.6 million and $2.4 million for the years ended December 31, 2001
and 2000, respectively.

Tuscarora  recorded  depreciation  of $4.6  million  and  $4.4  million  for  the  years  ended  December  31, 2001  and  2000,
respectively.

Tuscarora recorded financial charges of $6.1 million and $6.0 million for the years ended December 31, 2001 and 2000,
respectively.

Tuscarora recorded other income of $0.3 million and $0.2 million for the years ended December 31, 2001 and 2000,
respectively.

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LIQUIDITY AND CAPITAL RESOURCES OF TUSCARORA GAS TRANSMISSION COMPANY

Cash Distribution Policy of Tuscarora
In September 2000, Tuscarora adopted a cash distribution policy that became effective January 1, 2001. Under the terms
of the cash distribution policy, Tuscarora will make quarterly cash distributions to its general partners in accordance
with their respective general partner interests. Cash distributions will generally be computed as the sum of Tuscarora’s
net  income  before  taxes  and  depreciation  and  amortization, less  amounts  required  for  debt  repayments, net  of
refinancings, maintenance capital expenditures, certain non-cash items, and any cash reserves deemed necessary by the
Tuscarora management committee. Cash distributions will be computed at the end of each calendar quarter and the
distribution will be made on or before the last day of the month following the quarter end.

Summary of Certain Contractual Obligations

Payments Due by Period

(millions of dollars)

Series A Senior Notes due 2010
Series B Senior Notes due 2010
Series C Senior Notes due 2012
Credit Facility
Operating Leases

Total

Less Than 

Total

1 Year

1-3 Years

4-5 Years

$  72.6
7.4
10.0
4.6
0.1

$

94.7

$ 

$ 

3.7
0.3
0.6
4.6
0.1

9.3

$  10.9
1.2
2.2
–
–

$  14.3

$ 

$ 

6.7
0.9
1.7
–
–

9.3

After

5 Years

$  51.3
5.0
5.5
–
–

$  61.8

Debt and Credit Facilities
On March 15, 2002, Tuscarora issued Series C Senior Secured Notes in the amount of $10.0 million. These notes bear
interest  at  6.89%  and  are  due  in  2012. The  proceeds  from  these  notes  were  used  to  finance  the  construction  of
Tuscarora’s expansion facilities.

On January 4, 2002, Tuscarora entered into a credit agreement with Bank One for a $5.0 million, 364-day revolving
credit facility (Credit Facility), which bears interest at either LIBOR plus 1% or the prime rate. As at December 31, 2002,
the balance outstanding on this facility was $4.6 million. The Credit Facility expired on January 3, 2003, where upon
Tuscarora elected not to renew this facility and repaid the outstanding balance.

In November 2001 and January 2002, Tuscarora entered into forward starting interest rate swaps with notional amounts
of $10.0 million and $8.0 million, respectively, related to the planned issuance of Series C Senior Secured Notes. The
swaps were settled on February 15, 2002 for net proceeds of approximately $0.2 million. The swaps were entered into
to hedge the fluctuations in treasury rates and spreads between the execution date of the swaps and the issuance date of
the Series C Senior Secured Notes.

Short-term liquidity needs will be met by operating cash flows. Long-term capital needs may be met through the ability
to issue long-term indebtedness.

Cash Flows from Operating Activities
Cash  flows  provided  by  operating  activities  increased  $1.6  million, or  12%, to  $15.0  million  for  the  year  ended
December 31, 2002, compared to $13.4 million for 2001. This increase is the result of increased earnings during 2002,
partially offset by increased working capital during the same period.

Cash  flows  provided  by  operating  activities  increased  $2.7  million, or  25%, to  $13.4  million  for  the  year  ended
December 31, 2001 compared to $10.7 million for 2000. This increase is due to increased earnings and a decrease in
working capital.

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Cash Flows from Investing Activities
Capital  expenditures  of $31.9  million  for  the  year  ended  December  31, 2002  included  $31.6  million  for  Tuscarora’s
expansion. Capital  expenditures  of $10.2  million  for  the  year  ended  December  31, 2001  included  $4.7  million  for
Tuscarora’s expansion and $2.4 million related to the construction of the Hungry Valley lateral.

Capital expenditures for the year ended December 31, 2000 included $3.7 million related to the construction of the
Hungry Valley lateral.

Total capital expenditures for 2003 are estimated to be $0.4 million of which approximately $0.3 million relates to the
expansion. The remainder relates to renewals and replacements of existing facilities. Tuscarora anticipates funding its
2003 capital expenditures by using a combination of partner contributions and operating cash flows.

Cash Flows from Financing Activities
Cash flows from financing activities were $16.5 million for the year ended December 31, 2002, compared to cash flows
used in financing activities of $9.3 million for the year ended December 31, 2001.

In 2002, Tuscarora received net proceeds of $10.0 million from the issuance of its Series C Senior Secured Notes. The
proceeds from these notes were used to finance the construction of Tuscarora’s expansion facilities.

Also, in  2002, Tuscarora  drew  on  its  Credit  Facility. At  December  31, 2002, $4.6  million  was  outstanding  on  the
Credit Facility.

For the years ended December 31, 2002 and 2001 Tuscarora made debt repayments of $4.1 million and $4.2 million,
respectively.

In 2002, Tuscarora received contributions from its partners of $15.5 million. These contributions were used to fund the
construction of Tuscarora’s expansion facilities. Tuscarora received no contributions from its partners in 2001.

Tuscarora  paid  cash  distributions  of $9.3  million  and  $5.0  million  to  its  general  partners  for  the  years  ended
December 31, 2002 and 2001, respectively. Tuscarora’s 2002 cash distributions represent four quarterly distributions.
Tuscarora’s  2001  cash  distributions  represent  three  quarterly  payments  due  to  the  timing  of the  implementation  of
Tuscarora’s cash distribution policy.

Cash  flows  used  in  financing  activities  were  $1.2  million  in  2000. In  2000, Tuscarora  received  net  proceeds  of
$8.0 million from the issuance of its Series B Senior Secured Notes. The proceeds from these notes were used to finance
the  construction  of the  Hungry  Valley  lateral. Tuscarora  made  debt  repayments  of $3.6  million  and  paid  cash
distributions of $5.3 million in 2000, which was prior to the implementation of Tuscarora’s cash distribution policy.

NEW ACCOUNTING PRONOUNCEMENTS

During 2002, the Financial Accounting Standards Board issued Statement of Financial Accounting Standards (SFAS)
No. 145, “Rescission of SFAS No. 4, 44, and 64, and Amendment of SFAS No. 13,” SFAS No. 146, “Accounting for Costs
Associated  with  Exit  or  Disposal  Activities,” SFAS  No. 147, “Acquisitions  of Certain  Financial  Institutions  –  an
amendment to SFAS No. 72 and 144,” and SFAS No. 148, “Accounting for Stock-Based Compensation.”

SFAS No. 145 eliminates SFAS 4, 44, and 64 as these standards have become unnecessary due to the nature of reporting
that has evolved over the years since they were issued. This standard also amends SFAS 13, “Accounting for Leases” to
correct for some inconsistencies in application. As at December 31, 2002, the Partnership does not hold any leases and
is not affected by any of the changes resulting from this standard.

SFAS No. 146 requires that entities record a liability for the cost(s) associated with an exit or disposal activity when the
liability has been incurred. Entities are not required to record a liability at the date of an entity’s commitment to a plan
as this does not, by itself, create an obligation to others. Initial measurement of the obligation should approximate fair

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value. SFAS No. 146 is effective for exit or disposal activities that are initiated after December 31, 2002. At December 31, 2002,
the Partnership was not involved in any exit or disposal activities.

SFAS  No. 143, “Accounting  for Asset  Retirement  Obligations,” was  issued  during  2001  and  will  become  effective  for
TC PipeLines in 2003. The requirements of this standard will not have a material impact on the results of TC PipeLines.
For a discussion on the effects of this standard on Northern Border Pipeline’s results, see Note 9 to Northern Border
Pipeline’s Financial Statements included elsewhere in this document.

RISK FACTORS AND CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

Cautionary Statement Regarding Forward-Looking Information
A number of statements made by TC PipeLines, LP, in this Form 10-K filing made with the SEC, are forward-looking
and relate to, among other things, anticipated financial performance, business prospects, strategies, market forces and
commitments. Much of this information appears in “Management’s Discussion and Analysis of Financial Condition
and Results of Operations” found herein. All forward-looking statements are based on the Partnership’s beliefs as well
as assumptions made by and information currently available to the Partnership. Words such as “anticipate,” “believe,”
“estimate,” “expect,” “plan,” “intend,” “forecast,” and similar expressions, identify forward-looking statements within the
meaning of the Private Securities Litigation Reform Act. By its nature, such forward-looking information is subject to
various risks and uncertainties, which could cause TC PipeLines’ actual results and experience to differ materially from
the anticipated results or other expectations expressed in this Form 10-K. Readers are cautioned not to place undue
reliance on this forward-looking information, which is as of the date of this Form 10-K. TC PipeLines undertakes no
obligation to update publicly or revise any forward-looking information, whether as a result of new information, future
events or otherwise.

Risk Factors

TC PipeLines may not be able to generate sufficient cash from operations to pay the minimum quarterly distribution on the
common units every quarter 

While TC PipeLines has a significant ownership interest in each of Northern Border Pipeline and Tuscarora, it does not
control or operate either of these pipelines. The actual amount of cash TC PipeLines has available to pay the minimum
quarterly  distribution  will  depend  upon  numerous  factors  relating  to  each  of Northern  Border  Pipeline’s  and
Tuscarora’s business, most of which are beyond the control of TC PipeLines or the general partner, including:

•
•

•

the amount of cash distributed to TC PipeLines by each of Northern Border Pipeline and Tuscarora;
the ability of Northern Border Pipeline to recontract capacity for maximum transportation rates as existing contracts
terminate;
the tariff and transportation charges collected by Northern Border Pipeline and Tuscarora for transportation services
on their pipeline systems;
increases in Northern Border Pipeline’s and Tuscarora’s operating and maintenance costs;

•
• payment defaults of shippers on Northern Border’s pipeline system and payment defaults of shippers on Tuscarora’s

•
•

pipeline system;
the amount of cash set aside and the adjustment in reserves made by the general partner at its discretion;
the amount of cash required to be contributed by TC PipeLines to either Northern Border Pipeline or Tuscarora
in the future;
required principal and interest payments on TC PipeLines’ debt;
the cost of acquisitions, including related debt service payments;

•
•
• TC PipeLines’ issuance of debt and equity securities;
• pipelines competing with Northern Border Pipeline and Tuscarora; and
•

expansion costs related to these systems.

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Cash distributions are dependent primarily on TC PipeLines’ cash flow, financial reserves and working capital borrowings

Cash  distributions  are  not  dependent  solely  on  TC  PipeLines’ profitability, which  is  affected  by  non-cash  items.
Therefore, TC PipeLines may make cash distributions during periods when losses are reported and may not make cash
distributions during periods when profits are reported.

Northern Border Pipeline’s and Tuscarora’s indebtedness may limit their ability to borrow additional funds, make distributions
to TC PipeLines or capitalize on business opportunities

Northern  Border  Pipeline  is  prohibited  from  making  cash  distributions  during  an  event  of default  under  its
indebtedness. Provisions in Northern Border Pipeline’s indebtedness limit its ability to incur indebtedness and engage
in specific transactions which could reduce its ability to capitalize on business opportunities that arise in the course of
its business. Tuscarora is prohibited from making cash distributions during an event of default under its indebtedness.
Under  Tuscarora’s  indebtedness, Tuscarora  has  granted  a  security  interest  in  certain  of its  transportation  contracts,
which are available to noteholders during an event of default. Any future refinancing of Tuscarora’s existing indebtedness
or any new indebtedness could have similar or greater restrictions.

If TC PipeLines is unable to make acquisitions on economically and operationally acceptable terms, either from third parties
or TransCanada,  TC  PipeLines’  future  financial  performance  will  be  limited  to  participation  in  Northern  Border  Pipeline
and Tuscarora

The Partnership may not be able to:

identify attractive acquisition candidates in the future;
acquire assets on economically acceptable terms;

•
•
• make acquisitions that will not be dilutive to earnings and operating surplus; or
•

incur additional debt to finance an acquisition without affecting its ability to make distributions to unitholders.

Future acquisitions may involve the expenditure of significant funds. Depending upon the nature, size and timing of
future  acquisitions, TC  PipeLines  may  be  required  to  secure  additional  financing. Additional  financing  may  not  be
available to TC PipeLines on acceptable terms.

In  addition, TC  PipeLines  may  not  be  able  to  acquire  any  more  of TransCanada’s  United  States  pipeline  assets.
Substantially all of TransCanada’s United States pipeline assets are subject to restrictions on sale, such as rights of first
refusal. Under a right of first refusal another party, usually a partner, has a right to acquire the particular asset at the price
offered. Only if the other party declines to purchase the asset at the price offered could TransCanada sell it to TC PipeLines.

Majority control of the Northern Border Pipeline management committee by affiliates of Enron may limit TC PipeLines’ ability
to influence Northern Border Pipeline

TC PipeLines owns a 30% general partner interest in Northern Border Pipeline. The remaining 70% general partner
interest in Northern Border Pipeline is owned by Northern Border Partners, a publicly traded limited partnership. The
general  partners  of Northern  Border  Partners  are  Northern  Plains  and  Pan  Border, both  subsidiaries  of Enron, and
Northwest  Border, a  subsidiary  of TransCanada. Except  as  to  any  matters  requiring  unanimity, such  as  significant
expansions or extensions to the pipeline system, the acceptance of rate cases and changes to, or suspensions of, the cash
distribution  policy, management  committee  members  designated  by  subsidiaries  of Enron  have  the  voting  power  to
approve a particular matter requiring a majority vote despite the fact that TC PipeLines’ representative may vote against
the project or other matter. Conversely, with respect to any matter requiring a majority vote, management committee
members designated by subsidiaries of Enron may disapprove of a particular matter despite the fact that TC PipeLines’
representative may vote in favor of that matter.

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Northern Plains Natural Gas Company may not be able to continue to efficiently operate or may be forced to cease to operate
Northern Border Pipeline

Since Northern Plains is a wholly owned subsidiary of Enron it depends on Enron and some of its affiliates for some of
the administrative services Northern Plains provides to Northern Border Pipeline. Potential further developments in the
Enron  bankruptcy  situation  may  cause  Northern  Plains  to  be  unable  to  provide  a  sufficient  level  of services  or  any
services  as  operator. Such  removal  would  cause  an  event  of default  under  Northern  Border  Pipeline’s  1997  credit
agreement and its 1992 note purchase agreement unless the lenders consent to the removal. Any interruption of services
may have a significant impact on the operations of Northern Border Pipeline and Northern Border Pipeline may not
be able to transition to a new operator in a timely and efficient manner.

Northern Border Pipeline and Tuscarora are extensively regulated by the FERC

If the FERC requires that Northern Border Pipeline’s or Tuscarora’s tariff be changed, Northern Border Pipeline’s or
Tuscarora’s respective cash flows may be adversely affected.

Northern  Border  Pipeline  and  Tuscarora  are  subject  to  extensive  regulation  by  the  FERC. The  FERC’s  regulatory
authority extends to matters including:

transportation of natural gas;
rates and charges;
construction of new facilities;
acquisitions, extension or abandonment of services and facilities;
accounts and records;

•
•
•
•
•
• depreciation and amortization policies; and
• operating terms and conditions of service.

Given  the  extent  of regulation  by  the  FERC  and  potential  changes  to  regulations, the  Partnership  cannot  give
assurance regarding:

•
•

the likely federal regulations under which Northern Border Pipeline or Tuscarora will operate in the future;
the effect that regulation will have on Northern Border Pipeline’s, Tuscarora’s or the Partnership’s financial positions,
results of operations and cash flows; or

• whether the Partnership’s cash flow will be adequate to make distributions to unitholders.

Northern Border Pipeline’s ability to file for an increase of its rates before November 2005 to recover increases in most
types of costs has been substantially eliminated by the settlement of its last rate case.

If  Northern  Border  Pipeline  or  Tuscarora  do  not  maintain  or  increase  their  respective  rate  bases  by  successfully  completing
FERC-approved projects, the amount of revenue attributable to the return on the rate base they collect from their shippers will
decrease over time

The Northern Border and Tuscarora pipeline systems are generally allowed to collect from their customers a return on
their assets or “rate base” as reflected in their financial records as well as recover that rate base through depreciation. The
amount  they  may  collect  from  customers  decreases  as  the  rate  base  declines  as  a  result  of, among  other  things,
depreciation and amortization. In order to avoid a reduction in the level of cash available for distributions to its partners
based  on  its  current  FERC-approved  tariff, each  of these  pipelines  must  maintain  or  increase  its  rate  base  through
projects that maintain or add to existing pipeline facilities. These projects will depend upon many factors including:

•
•
•
•

sufficient demand for natural gas;
an adequate supply of proved natural gas reserves;
available capacity on pipelines that connect with these pipelines;
the execution of natural gas transportation contracts;

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•

the  approval  of any  expansion  or  extension  of the  pipeline  systems  by  their  respective  management  committees,
or in some cases, a ruling from an arbitrator;

• obtaining financing for these projects; and
•

receipt and acceptance of necessary regulatory approvals.

Northern Border Pipeline’s and Tuscarora’s ability to complete these projects is also dependent on numerous business,
economic, regulatory, competitive and political uncertainties beyond its control, and neither Northern Border Pipeline
nor Tuscarora may be able to complete these projects.

If any shipper fails to perform its contractual obligations, Northern Border Pipeline’s or Tuscarora’s respective cash flows and
financial condition could be adversely impacted

If any  shipper  fails  to  perform  its  contractual  obligations, Northern  Border  Pipeline’s  or  Tuscarora’s  cash  flows  and
financial  condition  could  be  adversely  impacted. As  a  result, the  cash  available  for  distribution  by  TC  PipeLines  to
unitholders could be reduced.

As  of December  31, 2002, the  three  largest  shippers  on  the  Northern  Border  pipeline  system  accounted  for
approximately 42% of contracted capacity, with one shipper, Pan-Alberta, being obligated for approximately 20%.

Sierra  Pacific  Power, a  wholly  owned  subsidiary  of Sierra  Pacific  Resources, is  Tuscarora’s  largest  shipper  with  firm
contracts for 68.4% of its capacity. Sierra Pacific Resources and Sierra Pacific Power have below-investment grade credit
ratings. While TC PipeLines has no current indication that Sierra Pacific Power is unable to meet its ongoing contractual
obligations, TC PipeLines is unable to predict the future financial condition of Sierra Pacific Power and its long-term
ability to meet its obligations under existing agreements.

Northern Border Pipeline’s ability to operate its pipeline on certain tribal lands will depend on its success in renegotiating its
right-of-way rights on tribal lands within the Fort Peck Reservation

Northern  Border  Pipeline’s  ability  to  operate  its  pipeline  on  certain  tribal  lands  will  depend  on  its  success  in
renegotiating before 2011 its right-of-way rights on tribal lands within the Fort Peck Reservation. See Item 2. “Properties
– Properties of Northern Border Pipeline Company.” Northern Border Pipeline and the Tribes, through a mediation
process, have held settlement discussions and have reached a settlement in principle on the pipeline right-of-way lease
and taxation issues, subject to final documentation and necessary governmental approvals. If Northern Border Pipeline
is unable to recover the additional costs of the proposed settlement in its future rates, it could have a material adverse
impact on Northern Border Pipeline’s results of operations.

The long-term financial conditions of Northern Border Pipeline and Tuscarora and as a result, of TC PipeLines, are dependent
on the continued availability of western Canadian natural gas for import into the United States

The development of additional natural gas reserves requires significant capital expenditures by others for exploration
and development drilling and the installation of production, gathering, storage, transportation and other facilities that
permit natural gas to be produced and delivered to pipelines that interconnect with Northern Border’s and Tuscarora’s
pipeline  systems. Low  prices  for  natural  gas, regulatory  limitations, or  the  lack  of available  capital  for  these  projects
could  adversely  affect  the  development  of additional  reserves  and  production, gathering, storage  and  pipeline
transmission  and  import  and  export  of natural  gas  supplies. Long-term  contracts  covering  approximately  42%  of
Northern  Border  Pipeline’s  capacity  expire  prior  to  November  2003. Northern  Border  Pipeline  may  not  be  able  to
replace these contracts with new long-term contracts providing similarly attractive economic terms. Substantially all of
Tuscarora’s capacity is contractually committed through 2015. If the availability of western Canadian natural gas were
to decline over these periods, existing shippers on the Northern Border and Tuscarora pipeline systems may be unlikely
to extend their contracts and Northern Border Pipeline and Tuscarora may be unable to find replacement shippers for
lost  capacity. Furthermore, additional  natural  gas  reserves  may  not  be  developed  in  commercial  quantities  and  in
sufficient amounts to fill the capacities of each of the Northern Border or Tuscarora pipeline systems.

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Northern Border Pipeline’s and Tuscarora’s business depends in part on the level of demand for western Canadian natural gas
in the markets the pipeline systems serve

Northern  Border  Pipeline’s  and  Tuscarora’s  business  depends  in  part  on  the  level  of demand  for  western  Canadian
natural gas in the markets the pipeline systems serve. The volumes of natural gas delivered to these markets from other
sources affect the demand for both western Canadian natural gas and the use of these pipeline systems. Demand for
western Canadian natural gas also influences the ability and willingness of shippers to use the Northern Border and
Tuscarora pipeline systems to meet the demand that these pipeline systems serve.

Natural gas is also produced in the United States and transported by competing unaffiliated pipeline systems to the same
destinations as natural gas transported by the Northern Border and Tuscarora pipeline systems. Other pipeline projects
may be constructed in the future that may also compete with Northern Border Pipeline and Tuscarora.

A variety of factors could cause the demand for natural gas to fall in the markets that these pipeline systems serve. These
factors include:

economic conditions;
fuel conservation measures;
alternative energy requirements and prices;
climatic conditions;

•
•
•
•
• government regulation; and
•

technological advances in fuel economy and energy generation devices.

The Partnership cannot predict whether or how these or other factors will affect the demand for use of the Northern
Border or Tuscarora pipeline systems. If either of these pipeline systems are used less over the long term, the Partnership
may have lower revenues and less cash to distribute to its unitholders.

Because of the highly competitive nature of the natural gas transmission business, Northern Border Pipeline and Tuscarora may
not be able to maintain existing customers or acquire new customers when the current shipper contracts expire

Other pipeline systems that transport natural gas serve the same markets served by the Northern Border and Tuscarora
pipeline systems. As a result, Northern Border Pipeline and Tuscarora face competition from other pipeline systems.

Northern Border Pipeline may not be able to renew or replace expiring contracts. The renewal or replacement of the
existing  long-term  contracts  with  customers  of Northern  Border  Pipeline  depends  on  a  number  of factors  beyond
Northern Border Pipeline’s control, including:

•
•
•
•

the supply of natural gas in Canada and the United States;
competition from alternative sources of supply in the United States;
competition from other pipelines; and 
the price of, and demand for, natural gas in markets served by the Northern Border pipeline system.

Long-term contracts covering approximately 42% of Northern Border Pipeline’s capacity expire prior to November 2003.
Northern Border Pipeline may not be able to replace these contracts with new long-term contracts providing similarly
attractive terms.

Tuscarora  competes  in  the  northern  Nevada  natural  gas  transmission  market  with  Paiute  Pipeline  Co., owned  by
Southwest  Gas  Co. of Las  Vegas, Nevada. The  Paiute  pipeline  interconnects  with  Northwest  Pipeline  Corp. at  the
Nevada-Idaho border and transports gas from British Columbia and the U.S. Rocky Mountain Basin to the northern
Nevada market.

TransCanada owns and operates a pipeline system which transports natural gas from the same natural gas reserves in
western Canada that are used by Northern Border pipeline’s and Tuscarora’s customers. TransCanada is not prohibited
from actively competing with Northern Border Pipeline for the transport of western Canadian natural gas.

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Northern  Border  Pipeline’s  and  Tuscarora’s  operations  are  regulated  by  federal  and  state  agencies  responsible  for
environmental protection and operational safety

TC PipeLines believes that these operations comply in all material respects with applicable environmental and safety
regulations. However, risks of substantial costs and liabilities are inherent in pipeline operations and each of Northern
Border Pipeline and Tuscarora may incur substantial costs and liabilities in the future as a result of stricter environmental
and  safety  laws, regulations  and  enforcement  policies  and  claims  for  personal  or  property  damages  resulting  from
Northern Border Pipeline’s or Tuscarora’s operations. If either Northern Border Pipeline or Tuscarora, as applicable, was
not able to recover these costs, cash distributions to TC PipeLines’ unitholders could be adversely affected.

Northern Border Pipeline’s and Tuscarora’s operations are subject to operational hazards and unforeseen interruptions,
including natural disasters, adverse weather, accidents or other events beyond its control. A casualty occurrence might
result in a loss of equipment or life, as well as injury and extensive property or environmental damage.

War, terrorist attacks or threats of war or terrorist attacks could have a material adverse effect on the business of Northern
Border Pipeline or Tuscarora

The war with Iraq, increasing military tension with regard to North Korea, as well as the terrorist attacks of September 11,
2001  and  subsequent  unrest, have  caused  instability  in  the  world’s  financial  and  commercial  markets  and  have
contributed to volatility in prices for natural gas. In addition, since the September 11, 2001 attacks, the United States
government has issued warnings that energy assets, including the U.S. pipeline infrastructure, may be a target of future
terrorist attacks.

TC PipeLines does not have stand-alone management resources to operate without services provided by TransCanada

TransCanada provides all of TC PipeLines’ management resources. Further, TC PipeLines would not be able to evaluate
potential acquisitions and successfully complete acquisitions without TransCanada’s resources.

The  IRS  could  treat  TC  PipeLines  as  a  corporation,  which  would  substantially  reduce  the  cash  available  for  distribution
to unitholders

Current law may change so as to cause TC PipeLines to be taxable as a corporation for federal income tax purposes or
otherwise to be subject to entity-level taxation. The partnership agreement provides that, if a law is enacted or existing
law is modified or interpreted in a manner that subjects TC PipeLines to taxation as a corporation or otherwise subjects
TC PipeLines to entity-level taxation for federal, state or local income tax purposes, then specified provisions of the
partnership agreement relating to distributions will be subject to change, including a decrease in distributions to reflect
the impact of that law on TC PipeLines.

Item 7A. Quantitative and Qualitative Disclosures about Market Risk

TC PipeLines’ interest rate exposure results from its Revolving Credit Facility, which is subject to variability in LIBOR
interest rates. At December 31, 2002, TC PipeLines had $11.5 million outstanding on its Revolving Credit Facility. If
LIBOR interest rates change by one percent compared to the rates in effect as of December 31, 2002, annual interest
expense would change by approximately $0.1 million. This amount has been determined by considering the impact of
the hypothetical interest rates on variable rate borrowings outstanding as of December 31, 2002.

The  Partnership’s  market  risk  sensitivity  is  also  influenced  by  and  reflects  the  same  factors  that  influence  Northern
Border Pipeline.

Northern  Border  Pipeline’s  interest  rate  exposure  results  from  variable  rate  borrowings  from  commercial  banks. To
mitigate potential fluctuations in interest rates, Northern Border Pipeline attempts to maintain a significant portion of
its debt portfolio in fixed rate debt. Northern Border Pipeline also uses interest rate swaps as a means to manage interest
expense by converting a portion of fixed rate debt into variable rate debt to take advantage of declining interest rates.

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At December 31, 2002, Northern Border Pipeline had $314.0 million of variable rate debt outstanding, $225.0 million
of which was previously fixed rate debt but had been converted to variable rate debt through the use of interest rate
swaps. For additional information on Northern Border Pipeline’s debt obligations and derivative instruments, see Note
5 and Note 6 to Northern Border Pipeline’s Financial Statements, included elsewhere in this report. As of December 31,
2002, approximately 62% of Northern Border Pipeline’s debt portfolio was in fixed rate debt.

If average  interest  rates  change  by  one  percent  compared  to  rates  in  effect  as  of December  31, 2002, annual  interest
expense would change by approximately $3.1 million. This amount has been determined by considering the impact of
the hypothetical interest rates on variable rate borrowings outstanding as of December 31, 2002.

Item 8. Financial Statements and Supplementary Data

The information required hereunder is included in this report as set forth in the “Index to Financial Statements” on
page F-1.

Item 9. Changes in and Disagreements with Accountants on Accounting and Financial
Disclosure

None.

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PA RT   I I I

Item 10. Directors and Executive Officers of the General Partner

TC PipeLines is a limited partnership and has no officers, directors or employees. Set forth below is certain information
concerning the directors and officers of the general partner. Each director holds office for a one-year term or until his
or her successor is earlier appointed. All officers of the general partner serve at the discretion of the Board of Directors
of the general partner.

Name

Ronald J. Turner
Russell K. Girling
Paul F. MacGregor
Donald R. Marchand
Ronald L. Cook
Theresa Jang
Rhondda E.S. Grant
Robert A. Helman
Jack F. Jenkins-Stark
David L. Marshall
Albrecht W.A. Bellstedt
Dennis J. McConaghy

Age as of 
December 31, 2002

Position with General Partner
as of December 31, 2002

49
40
45
40
45
38
45
68
51
63
53
50

President, Chief Executive Officer and Director
Chief Financial Officer and Director
Vice-President, Business Development
Vice-President and Treasurer
Vice-President, Taxation
Controller
Secretary
Independent Director
Independent Director
Independent Director
Director
Director

Mr. Turner has been a director of the general partner since April 1999 and was appointed President and Chief Executive
Officer in December 2000. Mr. Turner’s principal occupation is Executive Vice-President, Operations and Engineering
of TransCanada, a position he has held since December 2000. From June 2000 until December 2000, Mr. Turner was
Executive Vice-President, International of TransCanada. From April 2000 until June 2000, Mr. Turner was Senior Vice-
President, International of TransCanada. From July 1999 until April 2000, Mr. Turner was Senior Vice-President and
President, International  of TransCanada. From  July  1998  until  July  1999, Mr. Turner  was  Senior  Vice-President  of
TransCanada. From April 1998 until July 1998, Mr. Turner was Executive Vice-President, NOVA Gas Transmission Ltd.
(natural gas transmission). From December 1997 until April 1998, Mr. Turner was Vice-President, Value Process West,
NOVA Chemicals Ltd. (commodity chemicals). Mr. Turner is also a director of NOVA Gas Transmission Ltd.

Mr. Girling  was  appointed  Chief Financial  Officer  and  a  director  of the  general  partner  in April  1999. Mr. Girling’s
principal occupation is Executive Vice-President and Chief Financial Officer of TransCanada, a position he has held
since June 2000. From July 1999 until June 2000, Mr. Girling was Senior Vice-President and Chief Financial Officer of
TransCanada. From January 1999 until July 1999, Mr. Girling was Vice-President, Finance of TransCanada. From July
1998 until January 1999, Mr. Girling was Executive Vice-President, Power (TransCanada Energy Ltd.). From October
1995  until  July  1998, Mr. Girling  was  Senior  Vice-President, North  American  Power  (TransCanada  Energy  Ltd.).
Mr. Girling is a director and chairman of the board of directors of the general partner of TransCanada Power, L.P., a
Canadian limited partnership. Mr. Girling is also a director of NOVA Gas Transmission Ltd.

Mr. MacGregor  was  appointed  Vice-President, Business  Development  of the  general  partner  in  April  1999.
Mr. MacGregor’s principal occupation is Vice-President, Eastern Business Development of TransCanada, a position he
has  held  since  September  1999. From  July  1998  until  September  1999, Mr. MacGregor  was  Vice-President, North
American Pipeline Investments for TransCanada’s Transmission division. From 1997 until July 1998, Mr. MacGregor
was a Vice-President of Alberta Natural Gas Company Ltd. (energy services), a former subsidiary of TransCanada which
has since amalgamated into TransCanada.

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Mr. Marchand  was  appointed Vice-President  and  Treasurer  of the  general  partner  in  October  1999. Mr. Marchand’s
principal occupation is Vice-President, Finance and Treasurer of TransCanada, a position he has held since September 1999.
From  January  1998  until  September  1999, Mr. Marchand  was  Director, Finance  of TransCanada. From August  1996
until January 1998, Mr. Marchand was Manager, Finance of TransCanada.

Mr. Cook was appointed Vice-President, Taxation of the general partner in April 2002. Mr. Cook’s principal occupation
is Vice-President, Taxation  of TransCanada, a  position  he  has  held  since April  2002. From  June  1997  to April  2002,
Mr. Cook served as Director, Taxation of TransCanada.

Ms. Jang was appointed Controller of the general partner in June 1999. From May 1997 until June 1999, Ms. Jang was
a  Specialist  in  TransCanada’s  Financial  Reporting  department. From  February  1996  until  May  1997, Ms. Jang  was
Supervisor, Corporate Accounting of TransCanada.

Ms. Grant  was  appointed  Secretary  of the  general  partner  in  April  1999. Ms. Grant’s  principal  occupation  is  Vice-
President and Corporate Secretary of TransCanada, a position she has held since September 1999. From July 1998 until
September 1999, Ms. Grant was Corporate Secretary and Associate General Counsel, Corporate of TransCanada. From
October 1994 until July 1998, Ms. Grant was Corporate Secretary and Associate General Counsel, Corporate of NOVA
Corporation (energy services and commodity chemicals).

Mr. Helman was appointed a director of the general partner in July 1999. Mr. Helman has been a partner of Mayer,
Brown, Rowe & Maw (law firm) since 1967. Mayer, Brown, Rowe & Maw provides legal services on U.S. related matters
to TransCanada, the parent of the general partner. In the first half of 2002, Mayer, Brown, Rowe & Maw provided limited
legal services to the general partner on behalf of the Partnership solely relating to matters arising from Enron’s voluntary
petition  for  bankruptcy  protection. Mr. Helman  did  not  participate, nor  was  he  consulted  in  the  provision  of such
services. Further, Mayer, Brown, Rowe & Maw no longer provides such services to the Partnership. Mr. Helman serves
as a director of Dreyers Grand Ice Cream, Inc., Northern Trust Corporation and The Northern Trust Company.

Mr. Jenkins-Stark was appointed a director of the general partner in July 1999. Mr. Jenkins-Stark is currently Senior
Vice-President  and  Chief Financial  Officer  of Silicon  Energy  Corp. (a  developer  and  seller  of internet-based  energy
technology software), a position he has held since April 2000. From December 1998 until April 2000, Mr. Jenkins-Stark
was Senior Vice-President and Chief Financial Officer of GATX Capital (commercial finance). From September 1998
until  December  1998, Mr. Jenkins-Stark  was  Senior Vice-President, Finance  of GATX  Capital. From  June  1987  until
May 1998, Mr. Jenkins-Stark was Senior Vice-President of PG&E Corp. and President and Chief Executive Officer of
PG&E Gas Transmission Company. Mr. Jenkins-Stark also serves as a director of Hall-Kinion Corporation.

Mr. Marshall  was  appointed  a  director  of the  general  partner  in  July  1999. Mr. Marshall  was Vice-Chairman  of The
Pittston Company (diversified energy, security and transportation services firm) from 1994 until 1998 and was the Chief
Financial Officer and a director of The Pittston Company from 1983 until 1994.

Mr. Bellstedt was appointed a director of the general partner in December 2001. Mr. Bellstedt’s principal occupation is
Executive Vice-President, Law and General Counsel of TransCanada, a position he has held since June 2000. From April
2000 until June 2000, Mr. Bellstedt was Senior Vice-President, Law and General Counsel of TransCanada. From August
1999 until April 2000, Mr. Bellstedt was Senior Vice-President, Law and Administration of TransCanada. From February
1999 until August 1999, Mr. Bellstedt was Senior Vice-President, Law and Chief Compliance Officer of TransCanada.
Prior to February 1999, Mr. Bellstedt was a senior partner of Fraser Milner, a Canadian law firm.

Mr. McConaghy  was  appointed  a  director  of the  general  partner  in  December  2000. Mr. McConaghy’s  principal
occupation is Executive Vice-President, Gas Development of TransCanada, a position he has held since May 2001. From
October 2000 until May 2001, Mr. McConaghy was Senior Vice-President, Business Development of TransCanada. From
June  2000  until  October  2000, Mr. McConaghy  was  Senior Vice-President, Midstream/Divestments  of TransCanada.
From July 1998 until June 2000, Mr. McConaghy was Vice-President, Corporate Strategy and Planning of TransCanada.

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From  May  1996  until  July  1998, Mr. McConaghy  was  Vice-President, Strategy  and  Corporate  Development,
NOVA Corporation.

The  general  partner’s  corporate  governance  practices  comply  with  the  current  Nasdaq  Stock  Market  guidelines
respecting corporate governance. The general partner is cognizant of the various corporate governance changes being
proposed both by the Nasdaq and the SEC. The relevant charters and corporate governance guidelines of the general
partner will be updated over the course of 2003 as the new governance requirements are finalized.

The Audit Committee of the Board of Directors of the general partner is comprised of its three independent members:
Mr. Helman, Mr. Jenkins-Stark, and Mr. Marshall.

Section 16(a) Beneficial Ownership Reporting Compliance
Section 16(a) of the Exchange Act requires the Partnership’s directors and executive officers, and persons who own more
than 10% of the common units, to file initial reports of ownership and reports of changes in ownership (Forms 3, 4,
and 5) of the common units with the SEC and the Nasdaq Stock Market. Executive officers, directors and greater than
10% unitholders are required by SEC regulation to furnish the Partnership with copies of all such forms that they file.

Based solely upon a review of reports on Forms 3 and 4 and amendments thereto furnished to the Partnership during
its most recent fiscal year and reports on Form 5 and amendments thereto furnished to the Partnership with respect to
its most recent fiscal year, and written representations from officers and directors of the general partner that no Form 5
was  required, the  Partnership  believes  that  all  filing  requirements  applicable  to  its  officers, directors  and  beneficial
owners under Section 16(a) were complied with during the year ended December 31, 2002.

Item 11. Executive Compensation

The  following  table  summarizes  certain  information  regarding  the  annual  salary  of Ronald  J. Turner, President  and
Chief Executive Officer of the general partner of the Partnership, for the years ended December 31, 2002, 2001 and 2000
paid by TransCanada, parent company of the general partner. Mr. Turner is an employee of TransCanada. TC PipeLines
reimburses TransCanada for the services contributed to its operations by Mr. Turner.

Name and Principal Position

Ronald J. Turner, President and Chief Executive Officer

Annual TransCanada Base Salary (1)

Canadian
Dollars

436,254
412,503
309,660

United States
Dollar Equivalent (2)

276,000
259,000
206,500

Year

2002
2001
2000

(1) Annualized base salary paid by TransCanada. Based on services provided, approximately 10% of this base salary is allocated to the Partnership.
(2)

The compensation of the Chief Executive Officer of the general partner is paid by TransCanada in Canadian dollars. The United States dollar equivalents have been
calculated using the applicable December 31, 2002, 2001 and 2000 noon buying rates of 0.6331, 0.6279 and 0.6669, respectively, as reported by the Bank of Canada.

Each  director  who  is  not  an  employee  of TransCanada, the  general  partner  or  its  affiliates  (independent  director)  is
entitled to a directors’ retainer fee of $10,000 per annum and an additional fee of $2,000 per annum for each committee
of the board of which he is Chair. These fees are paid by the Partnership on a semi-annual basis. Each independent
director  is  also  paid  a  fee  of $1,500  for  attendance  at  each  meeting  of the  Board  of Directors  and  a  fee  of $750  for
attendance at each meeting of a committee of the Board. The independent directors are reimbursed for out-of-pocket
expenses incurred in the course of attending such meetings. Under a directors’ compensation plan adopted effective
July 19, 1999, each independent director receives 50% of his annual board retainer that is payable on the applicable date
in the form of common units of the Partnership. The common units are purchased by the general partner on the open
market and the number of common units purchased under the directors’ compensation plan is based on the trading
price of common units on the day preceding the applicable payment date.

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As the Partnership does not have any employees, the Audit and Compensation Committee of the Board of Directors, to
April 25, 2001, and subsequently the Board of Directors of the general partner of TC PipeLines have not been called
upon  to  make  any  determination  with  respect  to  compensation. The  executive  officers’ salaries  are  determined  on  a
competitive and market basis by TransCanada.

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related
Matters

The following table sets forth the beneficial ownership of the voting securities of the Partnership as of March 11, 2003
by the general partner’s directors, officers and certain beneficial owners. Executive Officers of the general partner own
shares of TransCanada, which in the aggregate amount to less than 1% of TransCanada’s issued and outstanding shares.
Other than as set forth below, no person is known by the general partner to own beneficially more than 5% of the voting
securities of the Partnership.

Name and Business Address

TC PipeLines GP, Inc. (2)(3)
450 1st Street SW
Calgary, Alberta T2P 5H1

TransCan Northern Ltd. (2)
450 1st Street SW
Calgary, Alberta T2P 5H1

Goldman, Sachs Group Inc. (4)
85 Broad Street
New York, New York 10004

Robert A. Helman (5)
190 S. LaSalle Street
Chicago, Illinois 60603

Jack F. Jenkins-Stark (6)
1010 Atlantic Avenue 
Alameda, California 94501 

David L. Marshall (7)
450 1st Street SW
Calgary, Alberta T2P 5H1

Ronald J. Turner
450 1st Street SW
Calgary, Alberta T2P 5H1

Directors and Executive Officers as a Group (8) (9) 
(12 persons)

Amount and Nature of Beneficial Ownership 

Common Units

Subordinated Units

Number of
Units

Percent of
Class

Number of
Units

Percent of
Class

Percentage of
Interest for

all Units (1)

936,435

6.0

1,872,871

100

16.1

2,800,000

17.9

1,639,717

10.5

10,852

2,852

2,452

–

16,156

*

*

*

–

*

–

–

–

–

–

–

–

–

–

–

–

–

–

–

16.0

9.4

*

*

*

–

*

(1) A total of 17,500,000 common and subordinated units are issued and outstanding.

(2)

(3)

TC PipeLines GP, Inc. and TransCan Northern Ltd. are wholly owned subsidiaries of TransCanada.

TC PipeLines GP, Inc. owns an aggregate 2% general partner interest of TC PipeLines.

(4) As reported on a schedule 13G/A filed on February 11, 2003, the Goldman Sachs Group, Inc. (GS Group) and Goldman, Sachs & Co. (Goldman Sachs) each disclaim
beneficial ownership of the securities beneficially owned by (i) any client accounts with respect to which Goldman Sachs or employees of Goldman Sachs have voting
or investment discretion, or both and (ii) certain investment entities, of which a subsidiary of GS Group or Goldman Sachs is the general partner, managing general
partner or other manager, to the extent interests in such entities are held by persons other than GS Group, Goldman Sachs or their affiliates.

(5)

(6)

(7)

10,852 units are held directly by Mr. Helman.

2,852 units are held by the Jenkins-Stark Family Trust dated June 16, 1995.

2,452 units are held directly by Mr. Marshall.

(8) With the exception of the three named directors above, none of the other directors and executive officers hold any units of TC PipeLines.

(9)

Ronald J. Turner holds 212,225 options and 18,169 shares of TransCanada; Russell K. Girling holds 256,412 options, 8,477 shares of TransCanada and 8,900 units of
TransCanada Power, L.P.; Albrecht W.A. Bellstedt holds 209,375 options and 11,226 shares of TransCanada; and Dennis J. McConaghy holds 153,624 options and
9,114 shares of TransCanada. The directors and executive officers as a group hold 1,052,699 options and 63,729 shares of TransCanada.

*

Less than 1%.

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Item 13. Certain Relationships and Related Transactions

An indirect subsidiary of TransCanada owns 2,800,000 common units and the general partner owns 936,435 common
units and 1,872,871 subordinated units, representing an aggregate 31.4% limited partner interest in the Partnership. In
addition, the  general  partner  owns  an  aggregate  2%  general  partner  interest  in  the  Partnership  through  which  it
manages  and  operates  the  Partnership. As  a  result, TransCanada’s  aggregate  ownership  interest  in  the  Partnership  is
33.4% by virtue of its indirect ownership of the Partnership and a 31.4% aggregate limited partner interest.

The general partner is accountable to TC PipeLines and the unitholders as a fiduciary. Neither the Delaware Revised
Uniform Limited Partnership Act (Delaware Act) nor case law defines with particularity the fiduciary duties owed by
general  partners  to  limited  partners  of a  limited  partnership. The  Delaware Act  does  provide  that  Delaware  limited
partnerships may, in their partnership agreements, restrict or expand the fiduciary duties owed by a general partner to
limited partners and the partnership.

In order to induce the general partner to manage the business of TC PipeLines, the partnership agreement contains
various provisions restricting the fiduciary duties that might otherwise be owed by the general partner. The following
is a summary of the material restrictions of the fiduciary duties owed by the general partner to the limited partners.

• The partnership agreement permits the general partner to make a number of decisions in its “sole discretion.” This
entitles  the  general  partner  to  consider  only  the  interests  and  factors  that  it  desires  and  it  shall  have  no  duty  or
obligation to give any consideration to any interest of, or factors affecting, TC PipeLines, its affiliates or any limited
partner. Other provisions of the partnership agreement provide that the general partner’s actions must be made in
its reasonable discretion.

• The partnership agreement generally provides that affiliated transactions and resolutions of conflicts of interest not
involving a required vote of unitholders must be “fair and reasonable” to TC PipeLines. In determining whether a
transaction or resolution is “fair and reasonable” the general partner may consider interests of all parties involved,
including its own. Unless the general partner has acted in bad faith, the action taken by the general partner shall not
constitute a breach of its fiduciary duty.

• The partnership agreement specifically provides that it shall not be a breach of the general partner’s fiduciary duty
if its affiliates engage in business interests and activities in competition with, or in preference or to the exclusion of,
TC PipeLines. Further, the general partner and its affiliates have no obligation to present business opportunities to
TC PipeLines.

• The  partnership  agreement  provides  that  the  general  partner  and  its  officers  and  directors  will  not  be  liable  for
monetary  damages  to  TC  PipeLines, the  limited  partners  or  assignees  for  errors  of judgment  or  for  any  acts  or
omissions if the general partner and those other persons acted in good faith.

TC  PipeLines  is  required  to  indemnify  the  general  partner  and  its  officers, directors, employees, affiliates, partners,
members, agents and trustees (collectively referred to hereafter as the General Partner and others), to the fullest extent
permitted by law, against liabilities, costs and expenses incurred by the General Partner and others. This indemnification
is required if the General Partner and others acted in good faith and in a manner they reasonably believed to be in, or
(in  the  case  of a  person  other  than  the  general  partner)  not  opposed  to, the  best  interests  of TC  PipeLines.
Indemnification  is  required  for  criminal  proceedings  if the  General  Partner  and  others  had  no  reasonable  cause  to
believe their conduct was unlawful.

The Partnership does not have any employees. The management and operating functions are provided by the general
partner. The  general  partner  does  not  receive  a  management  fee  or  other  compensation  in  connection  with  its
management  of the  Partnership. The  Partnership  reimburses  the  general  partner  for  all  costs  of services  provided,
including the costs of employee, officer and director compensation and benefits, and all other expenses necessary or
appropriate to the conduct of the business of, and allocable to the Partnership. The partnership agreement provides that
the  general  partner  will, in  its  sole  discretion, determine  the  expenses  that  are  allocable  to  the  Partnership  in  any
reasonable  manner  determined  by  it. Total  costs  reimbursed  to  the  general  partner  by  the  Partnership  were

44

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approximately $0.5 million for the year ended December 31, 2002. Such costs include personnel costs (such as salaries
and employee benefits), overhead costs (such as office space and equipment) and out-of-pocket expenses related to the
provision of services to the Partnership.

On May 28, 2001, the Partnership renewed its $40.0 million unsecured two-year revolving credit facility (TransCanada
Credit  Facility)  with  TransCanada  PipeLine  USA  Ltd., an  affiliate  of the  general  partner. The  TransCanada  Credit
Facility bears interest at LIBOR plus 1.25%. The purpose of the TransCanada Credit Facility is to provide borrowings
to fund capital expenditures, to fund capital contributions to Northern Border Pipeline, Tuscarora and any other entity
in  which  the  Partnership  directly  or  indirectly  acquires  an  interest, to  fund  working  capital  and  for  other  general
business  purposes, including  temporary  funding  of cash  distributions  to  unitholders  and  the  general  partner, if
necessary. At December 31, 2002, the Partnership had no amount outstanding under the TransCanada Credit Facility.

Mr. Helman, a director of the general partner of the Partnership, is a partner of the law firm of Mayer, Brown, Rowe &
Maw, which provides legal services on U.S. related matters to TransCanada, the parent of the general partner. In the first
half of 2002, Mayer, Brown, Rowe  &  Maw  provided  limited  legal  services  to  the  general  partner  on  behalf of the
Partnership solely relating to matters arising from Enron’s voluntary petition for bankruptcy protection. Mr. Helman
did not participate, nor was he consulted in the provision of such services. Further, Mayer, Brown, Rowe & Maw no
longer provides such services to the Partnership.

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PA RT   I V

Item 14. Controls and Procedures

a) Evaluation of disclosure controls and procedures Based on their evaluation of the Partnership’s disclosure controls and
procedures as of a date within 90 days of the filing of this annual report, the President and Chief Executive Officer
and Chief Financial Officer of the general partner of the Partnership have concluded that the disclosure controls and
procedures are effective.

b) Changes in internal controls There were no significant changes in the Partnership’s internal controls or in other factors

that could significantly affect these controls subsequent to the date of their evaluation.

Item 15. Exhibits, Financial Statement Schedules and Reports on Form 8-K

a) (1) and (2) Financial Statements and Financial Statement Schedules

The financial statements filed as part of this report are listed in the “Index to Financial Statements” on Page F-1.

(3)

Exhibit No.

Description

*3.1

*3.2

*3.3

*3.4

*3.5

*3.6

*4.1

*4.2

*4.3

*4.4

*10.1

Amended and Restated Agreement of Limited Partnership of TC PipeLines, LP dated May 28, 1999
(Exhibit 3.1 to TC PipeLines, LP’s Form 10-K, March 28, 2000).
Certificate of Limited Partnership of TC PipeLines, LP (Exhibit 3.2 to TC PipeLines, LP’s Form S-1
Registration Statement, Registration No. 333-69947, December 30, 1998).
Certificate of Limited Partnership of TC PipeLines Intermediate Limited Partnership (Exhibit 3.3 to
TC PipeLines, LP’s Form S-1, December 30, 1998).
Certificate of Limited Partnership of TC Tuscarora Intermediate Limited Partnership (Exhibit 99.1 to
TC PipeLines, LP’s Form 8-K, September 1, 2000).
Agreement of Limited Partnership of TC Tuscarora Intermediate Limited Partnership dated July 19,
2000 (Exhibit 99.2 to TC PipeLines, LP’s Form 8-K, September 1, 2000).
Amended  and  Restated  Agreement  of Limited  Partnership  of TC  PipeLines  Intermediate  Limited
Partnership dated May 28, 1999 (Exhibit 10.1 to TC PipeLines, LP’s Form 10-K, March 28, 2000).
Indenture, dated as of August 17, 1999 between Northern Border Pipeline Company and Bank One
Trust  Company, NA, successor  to  The  First  National  Bank  of Chicago, as  trustee  (Exhibit  4.1  to
Northern Border Pipeline Company, Form S-4 Registration Statement, Registration No. 333-88577,
October 7, 1999).
Indenture, Assignment  and  Security  Agreement  dated  December  21, 1995  between  Tuscarora  Gas
Transmission Company and Wilmington Trust Company, as trustee (Exhibit 99.1 to TC PipeLines, LP’s
Form 10-Q, September 30, 2000).
Indenture  dated  September  17, 2001, between  Northern  Border  Pipeline  Company  and  Bank  One
Trust  Company, N.A. (Exhibit  4.2  to  Northern  Border  Pipeline  Company, Form  S-4  Registration
Statement, Registration No. 333-73282, November 13, 2001).
Indenture  dated  April  29, 2002, between  Northern  Border  Pipeline  Company  and  Bank  One
Trust Company, NA, as  trustee  (Exhibit  4.1  to  Northern  Border  Pipeline  Company’s  Form  10-Q,
March 31, 2002).
Contribution, Conveyance and Assumption Agreement among TC PipeLines, LP and certain other
parties dated May 28, 1999 (Exhibit 10.2 to TC PipeLines, LP’s Form 10-K, March 28, 2000).

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*10.2

*10.2.1

*10.2.2

*10.2.3

*10.3

*10.3.1

*10.4

*10.5

*10.6

*10.7

*10.8

*10.9

*10.10

*10.11

*10.12

*10.12.1

Northern  Border  Pipeline  Company  General  Partnership  Agreement  between  Northern  Border
Intermediate Limited Partnership, TransCanada Border PipeLine Ltd., and TransCan Northern Ltd.,
effective  March  9, 1978  as  amended  (Exhibit  3.2  to  Northern  Border  Partners, L.P. Form  S-1
Registration Statement No. 33-66158).
Seventh Supplement Amending Northern Border Pipeline Company General Partnership Agreement
dated as of September 23, 1993 (Exhibit 10.3.1 to TC PipeLines, LP’s Form S-1, December 30, 1998).
Eighth Supplement Amending Northern Border Pipeline Company General Partnership Agreement
dated  May  21, 1999  by  and  among  TransCan  Border  PipeLine  Ltd., TransCanada  Northern  Ltd.,
Northern  Border  Intermediate  Limited  Partnership  and  TC  PipeLines  Intermediate  Limited
Partnership (Exhibit 10.3.2 to TC PipeLines, LP’s Form 10-K, March 28, 2000).
Ninth Supplement Amending Northern Border Pipeline Company General Partnership Agreement
dated  July  16, 2001  by  and  among  Northern  Border  Intermediate  Limited  Partnership  and
TC PipeLines  Intermediate  Limited  Partnership  (Exhibit  10.37  to  Northern  Border  Pipeline
Company, Form S-4 Registration Statement, Registration No. 333-73282, November 13, 2001).
Note Purchase Agreement between Northern Border Pipeline Company and the parties listed therein,
dated July 15, 1992 (Exhibit 10.6 to Northern Border Partners, L.P.’s Form S-1 Registration Statement
No. 33-66158).
Supplemental Agreement to the Note Purchase Agreement dated as of June 1, 1995 (Exhibit 10.6.1 to
Northern Border Partners, L.P.’s Form S-1 Registration Statement No. 33-66158).
Renewal  of U.S. $40,000,000  Two  Year  Revolving  Credit  Facility  between  TC  PipeLines, LP,
as borrower, and  TransCanada  PipeLines  USA  Ltd., as  lender  dated  May  28, 2001  (Exhibit  1  to
TC PipeLines, LP’s Form 10-Q, June 30, 2001).
Operating Agreement between Northern Border Pipeline Company and Northern Plains Natural Gas
Company, dated  February  28, 1980  (Exhibit  10.3  to  Northern  Border  Partners, L.P.’s  Form  S-1
Registration Statement No. 33-66158).
Agreement  among  Northern  Plains  Natural  Gas  Company, Pan  Border  Gas  Company, Northwest
Border  Pipeline  Company, TransCanada  Border  PipeLine  Ltd., TransCan  Northern  Ltd., Northern
Border  Intermediate  Limited  Partnership, Northern  Border  Partners, L.P., and  the  Management
Committee  of Northern  Border  Pipeline, dated  as  of March  17, 1999  (Exhibit  10.21  to  Northern
Border Partners, L.P.’s 1998 Form 10-K/A, March 24, 1999).
Northern  Border  Pipeline  Company  U.S. Shippers  Service  Agreement  between  Northern  Border
Pipeline Company and Pan-Alberta Gas (U.S.) Inc. dated October 1, 1993, with Amended Exhibit A
effective June 22, 1998 (Exhibit 10.25 to TC PipeLines, LP’s Form S-1, December 30, 1998).
Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline
Company  and  Pan-Alberta  Gas  (U.S.)  Inc. (successor  to  Natgas  U.S. Inc.), dated  October  6, 1989,
with Amended  Exhibit  A  effective  April  2, 1999  (Exhibit  10.26  to  TC  PipeLines, LP’s  Form  S-1,
December 30, 1998).
Northern  Border  Pipeline  Company  U.S. Shippers  Service  Agreement  between  Northern  Border
Pipeline Company and Pan-Alberta Gas (U.S.) Inc., dated October 1, 1992, with Amended Exhibit A
effective June 22, 1998 (Exhibit 10.27 to TC PipeLines, LP’s Form S-1, December 30, 1998).
Directors’ Compensation Plan of TC PipeLines, GP, Inc. dated effective July 19, 1999 (Exhibit 10.36
to TC PipeLines, LP’s Form 10-K, March 28, 2000).
Purchase  and  Sale  Agreement  dated  July  19, 2000  among  TCPL  Tuscarora  Ltd., TC  Tuscarora
Intermediate  Limited  Partnership, TC  PipeLines  GP, Inc., TransCanada  PipeLines  Limited  and
TransCanada PipeLine USA Ltd. (Exhibit 99.3 to TC PipeLines, LP’s Form 8-K, September 1, 2000).
Credit Agreement dated as of August 22, 2000 among TC PipeLines, LP, the Lenders Party thereto and
Bank One N.A., as agent (Exhibit 99.2 to TC PipeLines, LP’s Form 10-Q, September 30, 2000).
First Amendment and Waiver to Credit Agreement among TC PipeLines, LP, the Lenders Party thereto
and  Bank  One  N.A., as  agent, April  15, 2002  (Exhibit  10.1  to  TC  PipeLines, LP’s  Form  10-Q,
September 30, 2002).

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*10.12.2

*10.13

*10.13.1

*10.14

21.1
23.1
23.2
99.1

99.2

Second Amendment  to  Credit Agreement  among  TC  PipeLines, LP, the  Lenders  Party  thereto  and
Bank  One  N.A., as  agent, September  30, 2002  (Exhibit  10.2  to  TC  PipeLines, LP’s  Form  10-Q,
September 30, 2002).
Employment  Agreement  between  Northern  Plains  Natural  Gas  Company  and  William  R. Cordes
effective June 1, 2002 (Exhibit 10.27 to Northern Border Partners, L.P.’s Form 10-Q, June 30, 2001).
Amendment  to  Employment  Agreement  between  Northern  Plains  Natural  Gas  Company  and
William  R. Cordes, effective  September  25, 2001  (Exhibit  10.36  to  Northern  Border  Pipeline
Company’s Form S-4, November 13, 2001).
Employment Agreement between Northern Plains Natural Gas Company and Jerry L. Peters effective
April 1, 2002 (Exhibit 10.1 to Northern Border Pipeline Company’s Form 10-Q, March 31, 2002).
Subsidiaries of the Registrant.
Consent of KPMG LLP with respect to the financial statements of TC PipeLines, LP.
Consent of KPMG LLP with respect to the financial statements of Northern Border Pipeline Company.
Certification of principal executive officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant
to Section 906 of the Sarbanes-Oxley Act of 2002.
Certification of principal financial officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002.

* Indicates exhibits incorporated by reference.
b) Reports on Form 8-K.

None.
c) None.
d) None.

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused
this report to be signed on its behalf by the undersigned, thereunto duly authorized on this 28th day of March 2003.

TC PIPELINES, LP
(A Delaware Limited Partnership)
by its general partner, TC PipeLines GP, Inc.

By:

Ronald J. Turner
President and Chief Executive Officer
TC PipeLines GP, Inc.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following
persons in the capacities and on the dates indicated.

Signature

Title

Date

Ronald J. Turner

Russell K. Girling

President and Chief Executive Officer
and Director (Principal Executive Officer)

March 28, 2003

Chief Financial Officer
and Director (Principal Financial Officer)

March 28, 2003

Theresa Jang

Controller (Principal Accounting Officer)

March 28, 2003

Albrecht W. A. Bellstedt

Director

March 28, 2003

Dennis J. McConaghy

Director

March 28, 2003

Robert A. Helman

Director

March 28, 2003

Jack F. Jenkins-Stark

Director

March 28, 2003

David L. Marshall

Director

March 28, 2003

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CERTIFICATIONS

I, Ronald J. Turner, certify that:

1. I have reviewed this annual report on Form 10-K of TC PipeLines, LP;
2. Based on my knowledge, this annual report does not contain any untrue statements of a material fact or omit to state
a material fact necessary to make the statements made, in light of the circumstances under which such statements
were made, not misleading with respect to the period covered by this annual report;

3. Based on my knowledge, the financial statements, and other financial information included in this annual report,
fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as
of, and for, the periods presented in this annual report;

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls

and procedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for the registrant and have:
a) designed such disclosure controls and procedures to ensure that material information relating to the registrant,
including its consolidated subsidiaries, is made known to us by others within those entities, particularly during
the period in which this annual report is being prepared;

b) evaluated the effectiveness of the registrant’s disclosure controls and procedures as of a date within 90 days prior

to the filing date of this annual report (the “Evaluation Date”); and

c) presented in this annual report our conclusions about the effectiveness of the disclosure controls and procedures

based on our evaluation as of the Evaluation Date;

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation, to the registrant’s
auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent function):
a) all  significant  deficiencies  in  the  design  or  operation  of internal  controls  which  could  adversely  affect  the
registrant’s ability to record, process, summarize and report financial data and have identified for the registrant’s
auditors any material weaknesses in internal controls; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in

the registrant’s internal controls; and

6. The registrant’s other certifying officers and I have indicated in this annual report whether there were significant
changes  in  internal  controls  or  in  other  factors  that  could  significantly  affect  internal  controls  subsequent  to  the
date of our  most  recent  evaluation, including  any  corrective  actions  with  regard  to  significant  deficiencies  and
material weaknesses.

Dated: March 28, 2003

Ronald J. Turner
President and Chief Executive Officer
TC PipeLines GP, Inc., as general partner

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T.9.11 Pipeline LP.v5  4/9/03  4:48 PM  Page 51

I, Russell K. Girling, certify that:

1. I have reviewed this annual report on Form 10-K of TC PipeLines, LP;
2. Based on my knowledge, this annual report does not contain any untrue statements of a material fact or omit to state
a material fact necessary to make the statements made, in light of the circumstances under which such statements
were made, not misleading with respect to the period covered by this annual report;

3. Based on my knowledge, the financial statements, and other financial information included in this annual report,
fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as
of, and for, the periods presented in this annual report;

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls

and procedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for the registrant and have:
a) designed such disclosure controls and procedures to ensure that material information relating to the registrant,
including its consolidated subsidiaries, is made known to us by others within those entities, particularly during
the period in which this annual report is being prepared;

b) evaluated the effectiveness of the registrant’s disclosure controls and procedures as of a date within 90 days prior

to the filing date of this annual report (the “Evaluation Date”); and

c) presented in this annual report our conclusions about the effectiveness of the disclosure controls and procedures

based on our evaluation as of the Evaluation Date;

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation, to the registrant’s
auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent function):
a) all  significant  deficiencies  in  the  design  or  operation  of internal  controls  which  could  adversely  affect  the
registrant’s ability to record, process, summarize and report financial data and have identified for the registrant’s
auditors any material weaknesses in internal controls; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in

the registrant’s internal controls; and

6. The registrant’s other certifying officers and I have indicated in this annual report whether there were significant
changes  in  internal  controls  or  in  other  factors  that  could  significantly  affect  internal  controls  subsequent  to  the
date of our  most  recent  evaluation, including  any  corrective  actions  with  regard  to  significant  deficiencies  and
material weaknesses.

Dated: March 28, 2003

Russell K. Girling
Chief Financial Officer
TC PipeLines GP, Inc., as general partner

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TC PIPELINES, LP

INDEX TO FINANCIAL STATEMENTS

Page No.

FINANCIAL STATEMENTS OF TC PIPELINES, LP

Independent Auditors’ Report
Balance Sheet – December 31, 2002 and 2001
Statement of Income – Years Ended December 31, 2002, 2001 and 2000
Statement of Comprehensive Income – Years Ended December 31, 2002, 2001 and 2000
Statement of Cash Flows – Years Ended December 31, 2002, 2001 and 2000
Statement of Changes in Partners’ Equity – Years Ended December 31, 2002, 2001 and 2000
Notes to Financial Statements

FINANCIAL STATEMENTS OF NORTHERN BORDER PIPELINE COMPANY

Independent Auditors’ Report
Balance Sheet – December 31, 2002 and 2001
Statement of Income – Years Ended December 31, 2002, 2001 and 2000
Statement of Comprehensive Income – Years Ended December 31, 2002, 2001 and 2000
Statement of Cash Flows – Years Ended December 31, 2002, 2001 and 2000
Statement of Changes in Partners’ Equity – Years Ended December 31, 2002, 2001 and 2000
Notes to Financial Statements

FINANCIAL STATEMENTS SCHEDULE OF NORTHERN BORDER PIPELINE COMPANY

Independent Auditors’ Report on Schedule 
Schedule II – Valuation and Qualifying Accounts

F-2
F-3
F-4
F-4
F-5
F-6
F-7

F-13
F-14
F-15
F-15
F-16
F-17
F-18

S-1
S-2

F-1

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I N D E P E N D E N T   A U D I T O R S ’   R E P O RT

To the Board of Directors of TC PipeLines GP, Inc., General Partner of TC PipeLines, LP:

We  have  audited  the  accompanying  balance  sheets  of TC  PipeLines, LP  (a  Delaware  limited  partnership)  as  of
December 31, 2002 and 2001 and the related statements of income, comprehensive income, cash flows and changes in
partners’ equity for each of the years in the three year period ended December 31, 2002. These financial statements are
the responsibility of the General Partner. Our responsibility is to express an opinion on these financial statements based
on our audits.

We conducted our audits in accordance with auditing standards generally accepted in the United States of America.
Those standards require that we plan and perform an audit to obtain reasonable assurance about whether the financial
statements  are  free  of material  misstatement. An  audit  includes  examining, on  a  test  basis, evidence  supporting  the
amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and
significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe
that our audits provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in all material respects, the financial position of
TC PipeLines, LP as of December 31, 2002 and 2001 and the results of its operations and its cash flows for each of the
years in the three year period ended December 31, 2002 in conformity with accounting principles generally accepted in
the United States of America.

Calgary, Canada

March 7, 2003

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F-2

T.9.11 Pipeline LP.v5  4/9/03  4:48 PM  Page 54

B A L A N C E   S H E E T

December 31

(millions of dollars)

Assets
Current Assets
Cash

Investment in Northern Border Pipeline
Investment in Tuscarora
Deferred Amounts

Liabilities and Partners’ Equity
Current Liabilities

Accounts payable
Accrued interest

Long-Term Debt

Partners’ Equity

Common units
Subordinated units
General partner
Other comprehensive income

The accompanying notes are an integral part of these financial statements.

2002

2001

6.4
242.9
36.7
–

286.0

0.6
–

0.6

9.2
250.1
29.3
0.1

288.7

0.4
0.1

0.5

11.5

21.5

238.9
27.0
5.9
2.1

273.9

286.0

219.0
39.2
5.5
3.0

266.7

288.7

F-3

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S TAT E M E N T   O F   I N C O M E

Year ended December 31

(millions of dollars, except per unit amounts)

Equity Income from Investment in Northern Border Pipeline
Equity Income from Investment in Tuscarora
General and Administrative Expenses
Financial Charges

Net Income

Net Income per Unit

S TAT E M E N T   O F   C O M P R E H E N S I V E   I N C O M E

Year ended December 31

(millions of dollars)

Net Income
Other Comprehensive Income

Transition adjustment from adoption of SFAS No. 133
Change associated with current period hedging transactions

Total Comprehensive Income

The accompanying notes are an integral part of these financial statements.

2002

2001

2000

42.8
4.7
(1.5)
(0.5)

45.5
2.50

$

42.1
3.6
(1.2)
(1.0)

43.5
2.40

$

38.1
0.9
(1.3)
(0.5)

37.2
2.08

$

2002

2001

2000

45.5

–
(0.9)

44.6

43.5

3.1
(0.1)

46.5

37.2

–
–

37.2

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T.9.11 Pipeline LP.v5  4/9/03  4:48 PM  Page 56

S TAT E M E N T   O F   C A S H   F L O W S

Year ended December 31

(millions of dollars)

Cash Generated from Operations
Net Income
Add/(deduct):
Equity income less than/(in excess of) distributions received
Increase/(decrease) in accounts payable
(Decrease)/increase in accrued interest
Other

Investing Activities
Investment in Tuscarora 
Deferred amounts

Financing Activities
Distributions paid
Long-term debt issued
Reduction of long-term debt
Other

(Decrease)/Increase in Cash
Cash, Beginning of Period

Cash, End of Period

The accompanying notes are an integral part of these financial statements.

2002

2001

2000

45.5

6.3
0.2
(0.1)
0.2

52.1

(7.4)
–

(7.4)

(37.4)
–
(10.0)
(0.1)

(47.5)

(2.8)
9.2

6.4

43.5

(0.4)
(0.1)
(0.1)
–

42.9

–
(0.1)

(0.1)

(35.2)
–
–
–

(35.2)

7.6
1.6

9.2

37.2

2.9
0.1
0.1
–

40.3

(28.4)
–

(28.4)

(32.6)
24.5
(3.0)
–

(11.1)

0.8
0.8

1.6

F-5

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S TAT E M E N T   O F   C H A N G E S   I N   PA RT N E R S ’   E Q U I T Y

Common Units

Subordinated Units

Other 

General Comprehensive
Partner

Income

Partners’ Equity

(millions 
of units)

(millions 
of dollars)

(millions 
of units)

(millions 
of dollars)

(millions 
of dollars)

(millions
of dollars)

(millions 
of units)

(millions 
of dollars)

Partners’ Equity at December 31, 1999
Net Income
Distributions Paid
Partners’ Equity at December 31, 2000
Net Income
Distributions Paid
Other Comprehensive Income
Partners’ Equity at December 31, 2001
Net Income
Distributions Paid
Subordinated Unit Conversion
Other Comprehensive Income

Partners’ Equity at December 31, 2002

14.7
–
–
14.7
–
–
–
14.7
–
–
0.9
–
15.6

208.6
30.5
(26.8)
212.3
35.3
(28.6)
–
219.0
37.5
(30.7)
13.1
–
238.9

2.8
–
–
2.8
–
–
–
2.8
–
–
(0.9)
–
1.9

37.2
5.8
(5.1)
37.9
6.8
(5.5)
–
39.2
6.2
(5.3)
(13.1)
–
27.0

5.0
0.9
(0.7)
5.2
1.4
(1.1)
–
5.5
1.8
(1.4)
–
–
5.9

–
–
–
–
–
–
3.0
3.0
–
–
–
(0.9)
2.1

17.5
–
–
17.5
–
–
–
17.5
–
–
–
–
17.5

250.8
37.2
(32.6)
255.4
43.5
(35.2)
3.0
266.7
45.5
(37.4)
–
(0.9)
273.9

The accompanying notes are an integral part of these financial statements.

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N O T E S   T O   F I N A N C I A L   S TAT E M E N T S

NOTE 1 ORGANIZATION

TC  PipeLines, LP, and  its  subsidiary  limited  partnerships, TC  PipeLines  Intermediate  Limited  Partnership  and
TC Tuscarora Intermediate Limited Partnership, all Delaware limited partnerships, are collectively referred to herein as
TC  PipeLines  or  the  Partnership. TC  PipeLines  was  formed  by  TransCanada  PipeLines  Limited  (TransCanada)  to
acquire, own and participate in the management of United States-based pipeline assets.

TC PipeLines owns a 30% general partner interest in Northern Border Pipeline Company (Northern Border Pipeline),
a Texas general partnership. Northern Border Pipeline owns a 1,249-mile United States interstate pipeline system that
transports natural gas from the Montana-Saskatchewan border to markets in the midwestern United States.

TC PipeLines also owns a 49% general partner interest in Tuscarora Gas Transmission Company (Tuscarora), a Nevada
general partnership. Tuscarora owns a 240-mile United States interstate pipeline system that transports natural gas from
Oregon, where  it  interconnects  with  facilities  of PG&E  National  Energy  Group, Gas  Transmission  Northwest, to
northern Nevada.

TC PipeLines is managed by its general partner, TC PipeLines GP, Inc. (General Partner), a wholly-owned subsidiary of
TransCanada. The General Partner provides certain administrative services for the Partnership and is reimbursed for its
costs and expenses. In addition to its 2% general partner interest, the General Partner owns 936,435 common units and
1,872,871  subordinated  units, representing  an  effective  15.7%  limited  partner  interest  in  the  Partnership  at
December 31, 2002. TransCanada  indirectly  holds  2,800,000  common  units  representing  an  effective  15.7%  limited
partner interest in the Partnership at December 31, 2002.

NOTE 2 SIGNIFICANT ACCOUNTING POLICIES

(a) Basis of Presentation
The  accompanying  financial  statements  and  related  notes  present  the  financial  position  of the  Partnership  as  of
December 31, 2002 and 2001 and the results of its operations, cash flows and changes in partners’ equity for the years ended
December 31, 2002, 2001 and 2000. The Partnership uses the equity method of accounting for its investments in Northern
Border  Pipeline  and  Tuscarora, over  which  it  is  able  to  exercise  significant  influence. Other  comprehensive  income
recorded by TC PipeLines arises through its equity investments in Northern Border Pipeline and Tuscarora and relates
to cash flow hedges transacted by Northern Border Pipeline and Tuscarora. Amounts are stated in United States dollars.

(b) Use of Estimates
financial  statements  in  conformity  with  generally  accepted  accounting  principles  requires
The  preparation  of
management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure
of contingent assets and liabilities as at the date of the financial statements and the reported amounts of revenues and
expenses  during  the  reporting  period. Although  management  believes  these  estimates  are  reasonable, actual  results
could differ from these estimates.

(c) Cash and Cash Equivalents
Cash  equivalents  consist  of highly  liquid  investments  with  original  maturities  of three  months  or  less. The  carrying
amount of cash and cash equivalents approximates fair value because of the short maturity of these investments.

(d) Partners’ Equity
Costs  incurred  in  connection  with  the  issuance  of units  are  deducted  from  the  proceeds  received. Costs  incurred  to
convert subordinated units to common units were deducted from Partners’ Equity.

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(e) Income Taxes
No provision for income taxes related to the operations of the Partnership is included in the accompanying financial
statements because, as a partnership, it is not subject to Federal or state income tax. The tax effect of the Partnership’s
activities accrues to its partners.

NOTE 3 INVESTMENT IN NORTHERN BORDER PIPELINE COMPANY

The  Partnership  owns  a  30%  general  partner  interest  in  Northern  Border  Pipeline. The  remaining  70%  partnership
interest in Northern Border Pipeline is held by Northern Border Partners, L.P. (NBP), a publicly traded limited partnership.
The Northern Border pipeline system is operated by Northern Plains Natural Gas Company, a wholly-owned subsidiary
of Enron. Northern Border Pipeline is regulated by the Federal Energy Regulatory Commission (FERC).

TC  PipeLines’ equity  income  amounted  to  $42.8  million, $42.1  million  and  $38.1  million  for  the  years  ended
December 31, 2002, 2001 and 2000, respectively, representing 30% of the net income of Northern Border Pipeline for
the  same  periods. Undistributed  earnings  of Northern  Border  Pipeline  amounted  to  $1.3  million, $8.4  million  and
$6.4 million for the years ended December 31, 2002, 2001 and 2000, respectively.

The following sets out summarized financial information for Northern Border Pipeline as at December 31, 2002 and
2001 and for the years ended December 31, 2002, 2001 and 2000.

Northern Border Pipeline Balance Sheet

December 31

(millions of dollars)

Assets
Cash and cash equivalents
Other current assets
Plant, property and equipment, net
Other assets

Liabilities and Partners’ Equity
Current liabilities
Reserves and deferred credits
Long-term debt
Partners’ Equity

Partners’ capital
Accumulated other comprehensive income

Northern Border Pipeline Income Statement

Year ended December 31

(millions of dollars)

Revenues
Costs and expenses
Depreciation
Financial charges
Other income/(expense)

Net income

2002

2001

25.4
40.8
1,636.0
37.8

1,740.0

130.9
15.4
783.9

803.0
6.8

11.0
36.3
1,685.7
18.9

1,751.9

399.0
5.6
513.7

824.4
9.2

1,740.0

1,751.9

2002

2001

2000

321.0
(69.9)
(58.7)
(51.5)
1.8

142.7

313.1
(59.3)
(57.5)
(55.4)
(0.4)

140.5

311.0
(69.5)
(57.3)
(65.2)
8.1

127.1

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NOTE 4 INVESTMENT IN TUSCARORA GAS TRANSMISSION COMPANY

The Partnership owns a 49% general partner interest in Tuscarora. The remaining general partner interests in Tuscarora
are held 50% by Sierra Pacific Resources and 1% by TransCanada. Tuscarora is regulated by the FERC.

TC PipeLines’ equity income from Tuscarora amounted to $4.7 million, $3.6 million and $0.9 million for the years ended
December 31, 2002 and 2001 and the period September 1 to December 31, 2000, respectively, representing 49% of the
net income of Tuscarora for the same periods. Undistributed earnings of Tuscarora amounted to $0.8 million, $0.9 million
and nil for the years ended December 31, 2002 and 2001 and the period September 1 to December 31, 2000, respectively.

The following sets out summarized financial information for Tuscarora as at December 31, 2002 and 2001 and for the
years ended December 31, 2002 and 2001 and the period September 1 to December 31, 2000. TC PipeLines has held its
general partner interest since September 1, 2000.

Tuscarora Balance Sheet

December 31

(millions of dollars)

Assets
Cash and cash equivalents
Other current assets
Plant, property and equipment, net
Other assets

Liabilities and Partners’ Equity
Current liabilities
Long-term debt
Partners’ Equity

Partners’ capital
Accumulated other comprehensive income

Tuscarora Income Statement

Year ended December 31

(millions of dollars)

Revenues
Costs and expenses
Depreciation
Financial charges
Other (expense)/income

Net income

2002

2001

0.6
4.3
148.4
1.2

154.5

14.6
85.3

54.2
0.4

1.1
2.1
121.3
1.6

126.1

7.7
80.0

37.9
0.5

154.5

126.1

2002

2001

2000

23.1
(2.8)
(4.9)
(5.7)
0.7

10.4

21.3
(2.6)
(4.6)
(6.1)
0.3

8.3

19.4
(2.4)
(4.4)
(6.0)
0.2

6.8

NOTE 5 CREDIT FACILITIES AND LONG-TERM DEBT

On September 30, 2002, the Partnership renewed its credit facility (Revolving Credit Facility) with Bank One, NA, as
administrative agent of the credit facility under which the Partnership may borrow up to an aggregate principal amount
of $20.0 million. Loans under the Revolving Credit Facility bear interest at a floating rate. The Revolving Credit Facility
matures on July 31, 2004. Amounts borrowed may be repaid in part or in full prior to that time without penalty. The
Revolving  Credit  Facility  may  be  used  to  finance  capital  expenditures  and  for  other  general  purposes. At
December 31, 2002, the Partnership had borrowings of $11.5 million outstanding under the Revolving Credit Facility
(2001  –  $21.5  million). The  fair  value  of the  Revolving  Credit  Facility  approximates  its  carrying  value  because  the
interest rate is a floating rate. The interest rate on the Revolving Credit Facility averaged 3.57% for the year (2001 – 5.19%;
2000 – 7.57%) and was 2.70% at the end of the year (2001 – 3.02%). Interest paid during the years ended December 31,
2002, 2001 and 2000 was $0.4 million, $1.2 million and $0.5 million, respectively.

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On May 28, 2001, the Partnership renewed its $40.0 million unsecured two-year revolving credit facility (TransCanada
Credit  Facility), with  TransCanada  PipeLines  USA  Ltd., an  affiliate  of the  General  Partner. The  TransCanada  Credit
Facility bears interest at London Interbank Offered Rate plus 1.25%. The purpose of the TransCanada Credit Facility is
to  provide  borrowings  to  fund  capital  expenditures, to  fund  capital  contributions  to  Northern  Border  Pipeline,
Tuscarora  and  any  other  entity  in  which  the  Partnership  directly  or  indirectly  acquires  an  interest, to  fund  working
capital and for other general business purposes, including temporary funding of cash distributions to unitholders and
the general partner, if necessary. At December 31, 2002 and 2001, the Partnership had no amount outstanding under
the TransCanada Credit Facility.

NOTE 6 PARTNERS’ CAPITAL AND CASH DISTRIBUTIONS

Partners’ capital consists of 15,627,129 common units representing an 87.5% limited partner interest (936,435 common
units are held by the General Partner and 2,800,000 common units are owned by an affiliate of the General Partner),
1,872,871 subordinated units owned by the General Partner representing a 10.5% limited partner interest and a 2%
general  partner  interest. In  aggregate  the  General  Partner’s  and  its  affiliate’s  interests  represent  an  effective  33.4%
ownership of the Partnership’s equity.

The Partnership makes cash distributions to its partners with respect to each calendar quarter within 45 days after the
end  of each  quarter. Distributions  are  based  on Available  Cash, which  includes  all  cash  and  cash  equivalents  of the
Partnership  and  working  capital  borrowings  less  reserves  established  by  the  General  Partner. The  Unitholders  are
entitled to receive the minimum quarterly distribution (MQD) of $0.45 per unit if and to the extent there is sufficient
Available  Cash. Distributions  to  holders  of the  subordinated  units  are  subject, while  subordinated  units  remain
outstanding (Subordination Period), to the prior rights of holders of the common units to receive the MQD. Common
units  will  not  accrue  arrearages  with  respect  to  distributions  for  any  quarter  after  the  Subordination  Period  and
subordinated units will not accrue any arrearages with respect to distributions for any quarter.

The Subordination Period generally cannot end before June 30, 2004. Upon expiration of the Subordination Period, all
subordinated units will be converted on a one-for-one basis into common units and will participate pro rata with all
other common units in future distributions. On August 1, 2002, 936,435 subordinated units, representing one-third of
the  then  outstanding  subordinated  units  held  by  the  General  Partner, upon  satisfaction  of the  tests  set  forth  in  the
partnership  agreement, automatically  converted  into  an  equal  number  of common  units  as  provided  for  in  the
partnership agreement of TC PipeLines. A second one-third of subordinated units (936,435 subordinated units) may
convert into common units on a one-for-one basis on the first day after the record date established for the distribution
in respect of any quarter ending on or after June 30, 2003.

As an incentive, the General Partner’s percentage interest in quarterly distributions is increased after certain specified
target levels are met. The incremental incentive distributions payable to the General Partner are 15%, 25% and 50% of
all quarterly distributions of Available Cash that exceed target levels of $0.45, $0.5275 and $0.69, respectively, per unit.
For  the  years  ended  December  31, 2002, 2001  and  2000, the  Partnership  distributed  $2.075, $1.975  and  $1.85,
respectively, per  unit. The  distributions  for  the  year  ended  December  31, 2002, 2001  and  2000  included  incentive
distributions to the General Partner in the amount of $0.8 million, $0.5 million and $0.2 million, respectively.

Partnership  income  is  allocated  to  the  General  Partner  and  the  limited  partners  in  accordance  with  their  respective
partnership  percentages, after  giving  effect  to  any  priority  income  allocations  for  incentive  distributions  that  are
allocated 100% to the General Partner.

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NOTE 7 NET INCOME PER UNIT

Net income per unit is computed by dividing net income, after deduction of the General Partner’s allocation, by the
weighted average number of common and subordinated units outstanding. The General Partner’s allocation is equal to
an amount based upon the General Partner’s 2% interest, adjusted to reflect an amount equal to incentive distributions.
Net income per unit was determined as follows:

Year ended December 31

(millions of dollars, except per unit amounts)

Net Income

Net income allocated to General Partner
Adjustment to reflect incentive distribution income allocation

Net income allocable to units
Weighted average units outstanding (millions)

Net income per unit

NOTE 8 RELATED PARTY TRANSACTIONS

2002

2001

2000

45.5

(0.9)
(0.9)

(1.8)

43.7
17.5

2.50

$

43.5

(0.8)
(0.6)

(1.4)

42.1
17.5

2.40

$

37.2

(0.7)
(0.2)

(0.9)

36.3
17.5

2.08

$

The Partnership does not have any employees. The management and operating functions are provided by the General
Partner. The  General  Partner  does  not  receive  a  management  fee  or  other  compensation  in  connection  with  its
management  of the  Partnership. The  Partnership  reimburses  the  General  Partner  for  all  costs  of services  provided,
including the costs of employee, officer and director compensation and benefits, and all other expenses necessary or
appropriate to the conduct of the business of, and allocable to the Partnership. The Partnership Agreement provides that
the  General  Partner  will  determine  the  expenses  that  are  allocable  to  the  Partnership  in  any  reasonable  manner
determined  by  the  General  Partner  in  its  sole  discretion. Total  costs  reimbursed  to  the  General  Partner  by  the
Partnership were approximately $0.5 million, $0.5 million and $0.7 million for the years ended December 31, 2002, 2001
and 2000, respectively. Such costs include (i) personnel costs (such as salaries and employee benefits), (ii) overhead costs
(such as office space and equipment) and (iii) out-of-pocket expenses related to the provision of such services.

NOTE 9 QUARTERLY FINANCIAL DATA (unaudited)

The following sets forth selected financial data for the four quarters of 2002 and 2001.

Mar 31

Jun 30

Sep 30

Dec 31

12.4
11.9
0.66
9.0

11.7
10.9
0.61
8.5

$

$

12.6
12.2
0.67
9.6

10.3
9.8
0.54
9.0

$

$

12.9
12.5
0.68
9.6

11.5
11.0
0.60
9.1

$

$

9.6
8.9
0.49
9.6

12.2
11.8
0.65
9.1

$

$

Quarter ended 

(millions of dollars, except per unit amounts)

2002
Equity Income
Net Income
Net Income per Unit
Cash Distributions Paid

2001
Equity Income
Net Income
Net Income per Unit
Cash Distributions Paid

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NOTE 10 ACCOUNTING PRONOUNCEMENTS

During 2002, the Financial Accounting Standards Board issued Statement of Financial Accounting Standards (SFAS)
No. 145, “Rescission of SFAS No. 4, 44, and 64, and Amendment of SFAS No. 13,” SFAS No. 146, “Accounting for Costs
Associated  with  Exit  or  Disposal  Activities,” SFAS  No. 147, “Acquisitions  of Certain  Financial  Institutions  –  an
amendment to SFAS No. 72 and 144,” and SFAS No. 148, “Accounting for Stock-Based Compensation.”

SFAS No. 145 eliminates SFAS 4, 44, and 64 as these standards have become unnecessary due to the nature of reporting
that has evolved over the years since they were issued. This standard also amends SFAS 13, “Accounting for Leases” to
correct for some inconsistencies in application. As at December 31, 2002, TC PipeLines does not hold any leases and is
not affected by any of the changes resulting from this standard.

SFAS No. 146 requires that entities record a liability for the cost(s) associated with an exit or disposal activity when the
liability has been incurred. Entities are not required to record a liability at the date of an entity’s commitment to a plan
as  this  does  not, by  itself, create  an  obligation  to  others. Initial  measurement  of the  obligation  should  approximate
fair value. This  Statement  is  effective  for  exit  or  disposal  activities  that  are  initiated  after  December  31, 2002. At
December 31, 2002, the Partnership was not involved in any exit or disposal activities.

SFAS No. 143, “Accounting for Asset Retirement Obligations,” was issued during 2001 and will become effective for the
Partnership in 2003. The requirements of this standard will not have a material impact on the results of TC PipeLines.

NOTE 11 SUBSEQUENT EVENTS

On  January  21, 2003, the  Board  of Directors  of the  General  Partner  declared  a  cash  distribution  of $0.525  per  unit
related to the three months ended December 31, 2002. The $9.6 million distribution is payable on February 14, 2003 in
the following manner: $8.2 million to the holders of common units as of the close of business on January 31, 2003,
$1.0 million to the General Partner as holder of the subordinated units, $0.2 million to the General Partner as holder of
incentive distribution rights and $0.2 million to the General Partner in respect of its 2% general partner interest.

2 0 0 2   A N N U A L   R E P O RT

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INDEPENDENT AUDITORS’ REPORT

Northern Border Pipeline Company:

We  have  audited  the  accompanying  balance  sheets  of  Northern  Border  Pipeline  Company  (a  Texas
partnership) as of December 31, 2002 and 2001, and the related statements of income, comprehensive income,
cash flows, and changes in partners’ equity for each of the years in the three-year period ended December 31,
2002. These financial statements are the responsibility of the Company’s management. Our responsibility is to
express an opinion on these financial statements based on our audits.

We  conducted  our  audits  in  accordance  with  auditing  standards  generally  accepted  in  the  United  States  of
America. Those standards require that we plan and perform the audit to obtain reasonable assurance about
whether the financial statements are free of material misstatement. An audit includes examining, on a test basis,
evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing
the  accounting  principles  used  and  significant  estimates  made  by  management,  as  well  as  evaluating  the
overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in all material respects, the financial
position  of  Northern  Border  Pipeline  Company  as  of  December  31,  2002  and  2001,  and  the results  of  its
operations  and  its  cash  flows  for  each  of  the  years  in  the  three-year  period  ended  December 31,  2002,  in
conformity with accounting principles generally accepted in the United States of America.

KPMG LLP

January 23, 2003
Omaha, Nebraska

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NORTHERN BORDER PIPELINE COMPANY

BALANCE SHEET

(In Thousands)

ASSETS
CURRENT ASSETS

Cash and cash equivalents
Accounts receivable (net of allowance for doubtful accounts 

of $1,925 in 2001)

Related party receivables (net of allowance for doubtful accounts 

of $4,805 and $1,251 in 2002 and 2001, respectively)

Materials and supplies, at cost
Prepaid expenses and other
Total current assets

NATURAL GAS TRANSMISSION PLANT

In service
Construction work in progress

Total property, plant and equipment

Less: Accumulated provision for depreciation and amortization

Property, plant and equipment, net

OTHER ASSETS

Derivative financial instruments
Other

Total other assets
Total assets

LIABILITIES AND PARTNERS’ EQUITY
CURRENT LIABILITIES

Current maturities of long-term debt
Accounts payable
Related party payables
Accrued taxes other than income
Accrued interest

Total current liabilities

LONG-TERM DEBT, NET OF CURRENT MATURITIES
RESERVES AND DEFERRED CREDITS
COMMITMENTS AND CONTINGENCIES (Note 7)
PARTNERS’ EQUITY
Partners’ capital
Accumulated other comprehensive income

Total partners’ equity
Total liabilities and partners’ equity

The accompanying notes are an integral part of these financial statements.

December 31

2002

2001

$

25,358

$

11,003

32,774

1,552
4,721
1,844
66,249

2,427,459
4,027
2,431,486
795,525
1,635,961

29,249

455
4,873
1,731
47,311

2,429,662
2,891
2,432,553
746,888
1,685,665

21,204
16,623
37,827
$ 1,740,037

3,366
15,527
18,893
$ 1,751,869

$

65,000
17,103
7,323
28,374
13,173
130,973
783,906
15,386

$

350,000
3,089
2,204
27,167
16,526
398,986
513,666
5,623

803,014
6,758
809,772
$ 1,740,037

824,421
9,173
833,594
$ 1,751,869

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NORTHERN BORDER PIPELINE COMPANY

STATEMENT OF INCOME

(In Thousands)

OPERATING REVENUES
Operating revenues
Provision for rate refunds

Operating revenues, net

OPERATING EXPENSES

Operations and maintenance
Depreciation and amortization
Taxes other than income
Operating expenses

OPERATING INCOME

INTEREST EXPENSE
Interest expense
Interest expense capitalized
Interest expense, net

OTHER INCOME (EXPENSE)

Allowance for equity funds used during construction
Other income (expense), net
Other income (expense)

Year Ended December 31

2002

2001

2000 

$

321,050
–
321,050

$

315,145
(2,057)
313,088

$

334,978
(23,956)
311,022

41,442
58,714
28,436
128,592

192,458

51,550
(25)
51,525

26
1,760
1,786

33,695
57,516
25,636
116,847

196,241

56,262
(911)
55,351

925
(1,357)
(432)

41,548
57,328
27,979
126,855

184,167

65,489
(328)
65,161

305
7,753
8,058

NET INCOME TO PARTNERS

$

142,719

$

140,458

$

127,064

STATEMENT OF COMPREHENSIVE INCOME

(In Thousands)

Year Ended December 31

2002

2001

2000 

NET INCOME TO PARTNERS

$

142,719

$

140,458

$

127,064

OTHER COMPREHENSIVE INCOME:

Transition adjustment from adoption of SFAS No. 133
Change associated with current period 
hedging transactions
Total comprehensive income

–

10,347

–

(2,415)
140,304

$

(1,174)
149,631

$

–
127,064

$

The accompanying notes are an integral part of these financial statements.

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NORTHERN BORDER PIPELINE COMPANY

STATEMENT OF CASH FLOWS

(In Thousands)

CASH FLOWS FROM OPERATING ACTIVITIES:

Net income to partners
Adjustments to reconcile net income to partners 
to net cash provided by operating activities:

Year Ended December 31

2002

2001

2000 

$

142,719

$

140,458

$

127,064

Depreciation and amortization
Provision for rate refunds
Rate refunds paid
Allowance for equity funds used during construction
Reserves and deferred credits
Changes in components of working capital
Other

Total adjustments

Net cash provided by operating activities

59,079
–
–
(26)
9,763
12,404
(447)
80,773
223,492

57,881
2,036
(6,762)
(925)
736
4,583
(685)
56,864
197,322

57,682
25,082
(22,673)
(305)
(5,806)
(3,002)
(2,075)
48,903
175,967

CASH FLOWS FROM INVESTING ACTIVITIES:

Capital expenditures for property, plant 
and equipment, net

CASH FLOWS FROM FINANCING ACTIVITIES:

Distributions to partners
Issuance of long-term debt, net
Retirement of long-term debt
Increase (decrease) in bank overdrafts
Proceeds received (paid) upon termination of derivatives
Long-term debt financing costs

Net cash used in financing activities

NET CHANGE IN CASH AND CASH EQUIVALENTS
Cash and cash equivalents – beginning of year
Cash and cash equivalents – end of year

Changes in components of working capital:

Accounts receivable
Materials and supplies
Prepaid expenses and other
Accounts payable
Accrued taxes other than income
Accrued interest
Over/under recovered cost of service

(8,379)

(54,659)

(15,523)

(164,126)
431,894
(468,000)
–
2,351
(2,877)
(200,758)

14,355
11,003
25,358

(4,622)
152
(113)
19,133
1,207
(3,353)
–

$

$

(143,032)
385,400
(374,000)
(22,437)
(4,070)
(2,567)
(160,706)

(18,043)
29,046
11,003

3,432
(163)
(1,484)
1,643
(970)
2,125
–

$

$

(134,904)
75,000
(111,000)
22,437
–
(241)
(148,708)

11,736
17,310
29,046

(6,087)
(1,767)
455
1,585
1,847
(2,103)
3,068

$

$

Total

$

12,404

$

4,583

$

(3,002)

The accompanying notes are an integral part of these financial statements.

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NORTHERN BORDER PIPELINE COMPANY

STATEMENT OF CHANGES IN PARTNERS’ EQUITY

(In Thousands)

TC PipeLines Northern Border
Intermediate
Intermediate
Limited
Limited
Partnership
Partnership

Accumulated
Other
Comprehensive
Income

Partners’ Equity at December 31, 1999
Net income to partners
Distributions paid

$

Partners’ Equity at December 31, 2000
Net income to partners
Transition adjustment from adoption 

$

250,450
38,119
(40,471)

248,098
42,138

$

584,385
88,945
(94,433)

578,897
98,320

–
–
–

–
–

Total
Partners’
Equity 

$

834,835
127,064
(134,904)

826,995
140,458

of SFAS No. 133

–

–

10,347

10,347

Change associated with current period

hedging transactions

Distributions paid

Partners’ Equity at December 31, 2001
Net income to partners
Change associated with current period

hedging transactions

Distributions paid

–
(42,910)

247,326
42,816

–
(49,238)

–
(100,122)

577,095
99,903

–
(114,888)

(1,174)
–

9,173
–

(2,415)
–

(1,174)
(143,032)

833,594
142,719

(2,415)
(164,126)

Partners’ Equity at December 31, 2002

$

240,904

$

562,110

$

6,758

$

809,772

The accompanying notes are an integral part of these financial statements.

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NORTHERN BORDER PIPELINE COMPANY

NOTES TO FINANCIAL STATEMENTS

1.

ORGANIZATION AND MANAGEMENT

Northern Border Pipeline Company (Northern Border Pipeline) is a Texas general partnership formed in 1978. The
ownership percentages of the partners in Northern Border Pipeline (Partners) at December 31, 2002 and 2001,
are as follows:

Partner
Northern Border Intermediate Limited Partnership
TC PipeLines Intermediate Limited Partnership

Ownership 
Percentage
70
30

Northern Border Pipeline owns a 1,249-mile natural gas transmission pipeline system extending from the United
States-Canadian border near Port of Morgan, Montana, to a terminus near North Hayden, Indiana.

Northern  Border  Pipeline  is  managed  by  a  Management  Committee  that  includes  three  representatives  from
Northern  Border  Intermediate  Limited  Partnership  (Partnership)  and  one  representative  from  TC  PipeLines
Intermediate  Limited  Partnership  (TC  PipeLines).  The  Partnership’s  representatives  selected  by  its  general
partners,  Northern  Plains  Natural  Gas  Company  (Northern  Plains),  a  wholly-owned  subsidiary  of  Enron  Corp.
(Enron), Pan Border Gas Company (Pan Border), a wholly-owned subsidiary of Northern Plains, and Northwest
Border  Pipeline  Company,  a  wholly-owned  subsidiary  of  TransCanada  PipeLines  Limited  and  affiliate  of
TC PipeLines, have 35%, 22.75% and 12.25%, respectively, of the voting interest on the Management Committee.
The representative designated by TC PipeLines votes the remaining 30% interest. The day-to-day management
of  Northern  Border  Pipeline’s  affairs  is  the  responsibility  of  Northern  Plains,  as  defined  by  an  operating
agreement between Northern Border Pipeline and Northern Plains. Northern Border Pipeline is charged for the
salaries, benefits and expenses of Northern Plains. Northern Plains also utilizes Enron affiliates for management
services related to Northern Border Pipeline. For the years ended December 31, 2002, 2001, and 2000, Northern
Border Pipeline’s charges from Northern Plains and its affiliates totaled approximately $22.8 million, $29.5 million
and $31.7 million, respectively. See Note 10 for a discussion of Northern Border Pipeline’s relationships with Enron
and developments involving Enron.

2.

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

(A)

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United
States of America requires management to make estimates and assumptions that affect the reported amounts of
assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and
the  reported  amounts  of  revenues  and  expenses  during  the  reporting  period.  Actual  results  could  differ  from
those estimates.

(B)

Government Regulation

Northern Border Pipeline is subject to regulation by the Federal Energy Regulatory Commission (FERC). Northern
Border  Pipeline’s  accounting  policies  conform  to  Statement  of  Financial  Accounting  Standards  (SFAS)  No.  71,
“Accounting for the Effects of Certain Types of Regulation.” 

Accordingly,  certain  assets  that  result  from  the  regulated  ratemaking  process  are  recorded  that  would  not  be
recorded  under  accounting  principles  generally  accepted  in  the  United  States  of  America  for  nonregulated
entities. Northern Border Pipeline continually assesses whether the recovery of the regulatory assets is probable
by  considering  such  factors  as  regulatory  changes  and  the  impact  of  competition.  Northern  Border  Pipeline
believes  the  recovery  of  the  existing  regulatory  assets  is  probable.  If  future  recovery  ceases  to  be  probable,

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2.

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued)

Northern Border Pipeline would be required to write off the regulatory assets at that time. At December 31, 2002
and  2001,  Northern  Border  Pipeline  has  reflected  regulatory  assets  of  approximately  $10.5  million  and
$11.5 million,  respectively,  in  other  assets  on  the  balance  sheet.  Northern  Border  Pipeline  is  recovering  the
regulatory assets from its shippers over varying time periods, which range from five to 44 years.

(C)

Revenue Recognition

Northern Border Pipeline transports gas for shippers under a tariff regulated by the FERC. The tariff specifies the
calculation of amounts to be paid by shippers and the general terms and conditions of transportation service on
the  pipeline  system.  Northern  Border  Pipeline’s  revenues  are  derived  from  agreements  for  the  receipt  and
delivery  of  gas  at  points  along  the  pipeline  system  as  specified  in  each  shipper’s  individual  transportation
contract. Northern Border Pipeline does not own the gas that it transports, and therefore it does not assume the
related natural gas commodity risk.

(D)

Income Taxes

Income taxes are the responsibility of the Partners and are not reflected in these financial statements. However,
the Northern Border Pipeline FERC tariff establishes the method of accounting for and calculating income taxes
and requires Northern Border Pipeline to reflect in its rates the income taxes, which would have been paid or
accrued if Northern Border Pipeline were organized during the period as a corporation. As a result, for purposes
of determining transportation rates in calculating the return allowed by the FERC, Partners’ capital and rate base
are  reduced  by  the  amount  equivalent  to  the  net  accumulated  deferred  income  taxes.  Such  amounts  were
approximately  $343  million  and  $336  million  at  December 31,  2002  and  2001,  respectively,  and  are  primarily
related to accelerated depreciation and other plant-related differences.

(E)

Cash and Cash Equivalents

Cash equivalents consist of highly liquid investments with original maturities of three months or less. The carrying
amount of cash and cash equivalents approximates fair value because of the short maturity of these investments.

(F)

Property, Plant and Equipment and Related Depreciation and Amortization

Property, plant and equipment is stated at original cost. During periods of construction, Northern Border Pipeline
is permitted to capitalize an allowance for funds used during construction, which represents the estimated costs
of  funds  used  for  construction  purposes.  The  original  cost  of  property  retired  is  charged  to  accumulated
depreciation  and  amortization,  net  of  salvage  and  cost  of  removal.  No  retirement  gain  or  loss  is  included  in
income except in the case of retirements or sales of entire regulated operating units.

Maintenance and repairs are charged to operations in the period incurred. The provision for depreciation and
amortization of the transmission line is an integral part of Northern Border Pipeline’s FERC tariff. The effective
depreciation rate applied to Northern Border Pipeline’s transmission plant is 2.25%. Composite rates are applied
to all other functional groups of property having similar economic characteristics.

(G)

Risk Management

Financial  instruments  are  used  by  Northern  Border  Pipeline  in  the  management  of  its  interest  rate  exposure.
A control environment has been established which includes policies and procedures for risk assessment and the
approval, reporting and monitoring of financial instrument activities. Northern Border Pipeline does not use these
instruments for trading purposes. SFAS No. 133, “Accounting for Derivative Instruments and Hedging Activities,”
as  amended  by  SFAS  No.  137  and  SFAS  No.  138,  requires  that  every  derivative  instrument  (including  certain
derivative instruments embedded in other contracts) be recorded on the balance sheet as either an asset or liability
measured  at  its  fair  value.  The  statement  requires  that  changes  in  the  derivative’s  fair  value  be  recognized
currently in earnings unless specific hedge accounting criteria are met. Special accounting for qualifying hedges

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2.

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued)

allows a derivative’s gains and losses to offset related results on the hedged item in the income statement, and
requires that a company formally document, designate and assess the effectiveness of transactions that receive
hedge accounting. Northern Border Pipeline adopted SFAS No. 133 beginning January 1, 2001. See Note 6 for
a discussion of Northern Border Pipeline’s derivative instruments and hedging activities.

3.

RATES AND REGULATORY ISSUES

Northern  Border  Pipeline  filed  a  rate  proceeding  with  the  FERC  in  May  1999  for,  among  other  things,  a
redetermination  of  its  allowed  equity  rate  of  return.  In  September  2000,  Northern  Border  Pipeline  filed  a
stipulation and agreement with the FERC that documented the proposed settlement of its 1999 rate case. The
settlement was approved by the FERC in December 2000. Under the settlement, both Northern Border Pipeline
and its existing shippers will not be able to seek rate changes until November 1, 2005, at which time Northern
Border Pipeline must file a new rate case. 

After the FERC approved the rate case settlement and prior to the end of 2000, Northern Border Pipeline made
estimated refund payments to its shippers totaling approximately $22.7 million, primarily related to the period
from  December  1999  to  November  2000.  During  the  first  quarter  of  2001,  Northern  Border  Pipeline  paid  the
remaining refund obligation to its shippers totaling approximately $6.8 million, which related to periods through
January 2001.

On March 16, 2000, the FERC issued an order granting Northern Border Pipeline’s application for a certificate to
construct and operate an expansion and extension of its pipeline system into Indiana (Project 2000). The facilities
for Project 2000 were placed into service on October 1, 2001.

In  2003,  Northern  Border  Pipeline  filed  to  amend  its  tariff  for  the  definition  of  company  use  gas,  which  is  gas
supplied by its shippers for its operations, to clarify the language by adding detail to the broad categories that
comprise company use gas. Relying upon the currently effective version of the tariff, Northern Border Pipeline
included in its collection of company use gas quantities that were equivalent to the cost of electric power at its
electric-driven  compressor  stations  during  the  period  of  June  2001  through  January  2003.  The  proposed
language  provides  additional  detail  concerning  the  practice  of  recognizing  electric  costs  at  electric  powered
compressor stations in the determination of company use gas. Northern Border Pipeline requested that the tariff
change be effective April 1, 2003. Several parties have filed protests of this change and have requested that the
FERC order refunds. While Northern Border Pipeline cannot predict the outcome of this proceeding at this time,
the accompanying financial statements reflect a reserve of $10 million.

4.

TRANSPORTATION SERVICE AGREEMENTS

Operating revenues are collected pursuant to the FERC tariff through firm transportation service agreements. The
firm  service  agreements  extend  for  various  terms  with  termination  dates  that  range  from  March  2003  to
December  2013.  Northern  Border  Pipeline  also  has  interruptible  transportation  service  agreements  and  other
transportation service agreements with numerous shippers. 

Under the capacity release provisions of Northern Border Pipeline’s FERC tariff, shippers are allowed to release
all  or  part  of  their  capacity  either  permanently  for  the  full  term  of  the  contract  or  temporarily.  A  temporary
capacity release does not relieve the original contract shipper from its payment obligations if the replacement
shipper fails to pay for the capacity temporarily released to it.

At December 31, 2002, Northern Border Pipeline’s largest shipper is Pan-Alberta Gas (U.S.) Inc. (Pan-Alberta) with
approximately 20% of the contracted firm capacity, of which approximately 3% has been temporarily released to
other  shippers  through  October  31,  2003.  Mirant  Americas  Energy  Marketing,  LP  (Mirant),  who  manages  the
assets  of  Pan-Alberta  Gas,  Ltd.,  including  the  Pan-Alberta  contracts  with  Northern  Border  Pipeline,  also  is
obligated for approximately 10% of the contracted firm capacity. The Pan-Alberta firm service agreements expire

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4.

TRANSPORTATION SERVICE AGREEMENTS (continued)

in  October  2003.  The  Mirant  firm  service  agreements  expire  in  October  2006  and  December  2008.  The
obligations of Pan-Alberta and Mirant are supported by various credit support arrangements, including among
others, letters of credit and escrow accounts and an upstream capacity transfer agreement. Operating revenues
from  Mirant  and  Pan-Alberta  for  the  years  ended  December 31,  2002,  2001  and  2000  were  $105.5  million,
$80.7 million and $78.2 million, respectively.

At  December  31,  2002,  there  is  no  contracted  firm  capacity  held  by  shippers  affiliated  with  Northern  Border
Pipeline. Previously, some of Northern Border Pipeline’s shippers have been affiliated with its general partners.
Operating  revenues  from  affiliates  were  $1.4  million,  $52.1  million  and  $58.5  million  for  the  years  ended
December 31, 2002, 2001 and 2000, respectively. 

5.

CREDIT FACILITIES AND LONG-TERM DEBT

Detailed information on long-term debt is as follows:

(in thousands)

1992 Pipeline Senior Notes – average 8.57% and 8.53% 

at December 31, 2002 and 2001, respectively, 
due from 2002 to 2003

Pipeline Credit Agreement – Term loan – average

2.46% at December 31, 2001, due 2002

2002 Pipeline Credit Agreement – average 2.05% 

at December 31, 2002, due 2005
1999 Pipeline Senior Notes – 7.75%, due 2009
2001 Pipeline Senior Notes – 7.50%, due 2021
2002 Pipeline Senior Notes – 6.25%, due 2007
Fair value adjustment for interest rate swaps (Note 6)
Unamortized debt discount
Total
Less: Current maturities of long-term debt
Long-term debt

December 31

2002

2001 

$

65,000

$

143,000

–

272,000

89,000
200,000
250,000
225,000
21,204
(1,298)
848,906
65,000
783,906

$

–
200,000
250,000
–
–
(1,334)
863,666
350,000
513,666

$

Northern  Border  Pipeline  entered  into  a  $175  million  three-year  credit  agreement  (2002  Pipeline  Credit
Agreement) with certain financial institutions in May 2002, which is to be used to refinance existing indebtedness
and  for  general  business  purposes.  The  2002  Pipeline  Credit  Agreement  permits  Northern  Border  Pipeline  to
choose among various interest rate options, to specify the portion of the borrowings to be covered by specific
interest rate options and to specify the interest rate period. Northern Border Pipeline is required to pay a fee on
the principal commitment amount of $175 million.

In April 2002, Northern Border Pipeline completed a private offering of $225 million of 6.25% Senior Notes due
2007  (2002  Pipeline  Senior  Notes)  and  in  September  2001,  Northern  Border  Pipeline  completed  a  private
offering of $250 million of 7.50% Senior Notes due 2021 (2001 Pipeline Senior Notes). The 2002 Pipeline Senior
Notes  and  2001  Pipeline  Senior  Notes  were  subsequently  exchanged  in  registered  offerings  for  notes  with
substantially identical terms. The proceeds from the senior notes were used to reduce indebtedness outstanding.

Interest  paid,  net  of  amounts  capitalized,  during  the  years  ended  December 31,  2002,  2001  and  2000  was
$55.3 million, $53.9 million and $68.0 million, respectively.

Aggregate required repayments of long-term debt are as follows: $65 million, $89 million and $225 million for
2003, 2005 and 2007, respectively. There are no required repayment obligations for either 2004 or 2006.

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5.

CREDIT FACILITIES AND LONG-TERM DEBT (continued)

Certain of Northern Border Pipeline’s long-term debt and credit arrangements contain requirements as to the
maintenance of minimum partners’ capital and debt to capitalization ratios, leverage ratios and interest coverage
ratios  that  restrict  the  incurrence  of  other  indebtedness  by  Northern  Border  Pipeline  and  also  place  certain
restrictions  on  distributions  to  the  partners  of  Northern  Border  Pipeline.  Under  the  most  restrictive  of  the
covenants, as of December 31, 2002 and 2001, respectively, $99 million and $110 million of partners’ capital of
Northern Border Pipeline could be distributed. The 2002 Pipeline Credit Agreement requires the maintenance of
a ratio of EBITDA (net income plus interest expense, income taxes and depreciation and amortization) to interest
expense of greater than 3 to 1. The 2002 Pipeline Credit Agreement also requires the maintenance of the ratio
of indebtedness to EBITDA of no more than 4.5 to 1. At December 31, 2002, Northern Border Pipeline was in
compliance with these covenants.

The following estimated fair values of financial instruments represent the amount at which each instrument could
be exchanged in a current transaction between willing parties. Based on quoted market prices for similar issues
with  similar  terms  and  remaining  maturities,  the  estimated  fair  value  of  the  1992  Pipeline  Senior  Notes,
1999 Pipeline  Senior  Notes,  2001  Pipeline  Senior  Notes  and  2002  Pipeline  Senior  Notes  was  approximately
$827 million and $623 million at December 31, 2002 and 2001, respectively. Northern Border Pipeline presently
intends to maintain the current schedule of maturities for the 1992 Pipeline Senior Notes, 1999 Pipeline Senior
Notes, 2001 Pipeline Senior Notes and the 2002 Pipeline Senior Notes, which will result in no gains or losses on
their  respective  repayment.  The  fair  value  of  Northern  Border  Pipeline’s  variable  rate  debt  approximates  the
carrying value since the interest rates are periodically adjusted to reflect current market conditions.

6.

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES

As a result of the adoption of SFAS No. 133, Northern Border Pipeline reclassified approximately $11.1 million
from  long-term  debt  to  accumulated  other  comprehensive  income  related  to  unamortized  proceeds  from  the
termination of interest rate swap agreements. Also upon adoption of SFAS No. 133, Northern Border Pipeline
recorded a non-cash loss in accumulated other comprehensive income of approximately $0.8 million, related to
its  outstanding  interest  rate  swap  agreement  with  a  notional  amount  of  $40  million,  which  terminated  in
November 2001.

Prior to the anticipated issuance of fixed rate debt, Northern Border Pipeline has entered into forward starting
interest rate swap agreements. The interest rate swaps have been designated as cash flow hedges as they were
entered into to hedge the fluctuations in Treasury rates and spreads between the execution date of the swaps
and  the  issuance  of  the  fixed  rate  debt.  The  notional  amount  of  the  interest  rate  swaps  does  not  exceed  the
expected principal amount of fixed rate debt to be issued. Upon issuance of the fixed rate debt, the swaps were
terminated and the proceeds received or amounts paid to terminate the swaps were recorded in accumulated
other comprehensive income and amortized to interest expense over the term of the hedged debt. 

For the year ended December 31, 2002, Northern Border Pipeline received $2.4 million from terminated interest
rate swaps. For the year ended December 31, 2001, Northern Border Pipeline paid approximately $4.1 million to
terminate interest rate swaps.

During  the  years  ended  December  31,  2002  and  2001,  respectively,  Northern  Border  Pipeline  amortized
approximately  $1.4  million  and  $1.2  million  related  to  the  terminated  interest  rate  swap  agreements  as  a
reduction to interest expense from accumulated other comprehensive income. Northern Border Pipeline expects
to amortize approximately $1.6 million in 2003.

Northern Border Pipeline entered into interest rate swap agreements with notional amounts totaling $225 million
in  May  2002.  Under  the  interest  rate  swap  agreements,  Northern  Border  Pipeline  makes  payments  to
counterparties at variable rates based on the London Interbank Offered Rate and in return receives payments
based  on  a  6.25%  fixed  rate.  At  December 31,  2002,  the  average  effective  interest  rate  on  Northern  Border
Pipeline’s interest rate swap agreements was 2.70%. Northern Border Pipeline’s interest rate swap agreements

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6.

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (continued)

have been designated as fair value hedges as they were entered into to hedge the fluctuations in the market
value of the 2002 Pipeline Senior Notes. The accompanying balance sheet at December 31, 2002, reflects a non-
cash gain of approximately $21.2 million in derivative financial instruments with a corresponding increase in long-
term debt.

7.

COMMITMENTS AND CONTINGENCIES

Operating Leases

Future minimum lease payments under non-cancelable operating leases on office space are as follows:

(in thousands)

Year ending December 31,
2003
2004
2005
2006
2007
Thereafter

Capital expenditures

$

$

862
857
857
857
857
1,713
6,003

Total capital expenditures for 2003 are estimated to be $11 million. Funds required to meet the capital expenditures
for 2003 are anticipated to be provided primarily from debt borrowings and operating cash flows.

Environmental Matters

Northern  Border  Pipeline  is  not  aware  of  any  material  contingent  liabilities  with  respect  to  compliance  with
applicable environmental laws and regulations.

Other

On July 31, 2001, the Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation (Tribes) filed a lawsuit in
Tribal Court against Northern Border Pipeline to collect more than $3 million in back taxes, together with interest
and penalties. The lawsuit relates to a utilities tax on certain of Northern Border Pipeline’s properties within the
Fort Peck Indian Reservation. The Tribes and Northern Border Pipeline, through a mediation process, have held
settlement discussions and have reached a settlement in principle on pipeline right-of-way lease and taxation
issues, subject to final documentation and necessary government approvals. Northern Border Pipeline believes
that the resolution of this lawsuit will not have a material adverse impact on Northern Border Pipeline’s results of
operations or financial position. 

Various legal actions that have arisen in the ordinary course of business are pending. Northern Border Pipeline
believes that the resolution of these issues will not have a material adverse impact on Northern Border Pipeline’s
results of operations or financial position.

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8.

QUARTERLY FINANCIAL DATA (Unaudited)

(in thousands)

2002

2001

First Quarter
Second Quarter
Third Quarter
Fourth Quarter

First Quarter
Second Quarter
Third Quarter
Fourth Quarter

Operating
Revenues, net

Operating
Income

Net Income
to Partners

$

$

78,155
80,173
81,553
81,169

77,040
76,950
77,932
81,166

$

$

49,895
52,014
51,843
38,706

50,318
46,706
48,083
51,134

$

$

37,670
38,506
39,197
27,346

35,889
31,632
35,537
37,400

9.

ACCOUNTING PRONOUNCEMENTS

In 2001, the Financial Accounting Standards Board (FASB) issued SFAS No. 143, “Accounting for Asset Retirement
Obligations.” SFAS No. 143 requires entities to record the fair value of a liability for an asset retirement obligation
in  the  period  in  which  it  is  incurred,  if  the  liability  can  be  reasonably  estimated.  When  the  liability  is  initially
recorded, the carrying amount of the related asset is increased by the same amount. Over time, the liability is
accreted  to  its  future  value  and  the  accretion  is  recorded  to  expense.  The  initial  adjustment  to  the  asset  is
depreciated  over  its  useful  life.  Upon  settlement  of  the  liability,  an  entity  either  settles  the  obligation  for  its
recorded amount or incurs a gain or loss. SFAS No. 143 is effective for fiscal years beginning after June 15, 2002,
with  earlier  application  encouraged.  In  some  instances,  Northern  Border  Pipeline  is  obligated  by  contractual
terms or regulatory requirements to remove facilities or perform other remediation upon retirement. Northern
Border Pipeline expects that it will be unable to reasonably estimate and record liabilities for its obligations that
fall under the provisions of this statement because it cannot reasonably estimate when such obligations would
be settled. The effect of adopting SFAS No. 143 is not expected to be material to the financial statements.

In  April  2002,  the  FASB  issued  SFAS  No.  145,  “Rescission  of  FASB  Statements  No.  4,  No.  44  and  No.  64,
Amendments  to  FASB  Statements  No.  13  and  Technical  Corrections.”  SFAS  No.  146,  “Accounting  for  Costs
Associated with Exit or Disposal Activities” was issued in June 2002. SFAS No. 145 streamlines the reporting of
debt  extinguishments  and  requires  that  only  gains  and  losses  from  extinguishments  meeting  the  criteria  in
Accounting Principles Board Opinion 30 would be classified as extraordinary. SFAS No. 146 requires that a liability
for a cost associated with an exit or disposal activity be recognized when the liability is incurred. SFAS No. 145 is
effective for fiscal years beginning after May 15, 2002. SFAS No. 146 is effective for exit or disposal activities that
are initiated after December 31, 2002. Northern Border Pipeline does not expect the adoption of SFAS No. 145
and SFAS No. 146 to have a material impact on its financial position, results of operations or cash flows.

10.

RELATIONSHIPS WITH ENRON

In December 2001, Enron and certain of its subsidiaries filed voluntary petitions for Chapter 11 reorganization
with  the  U.S.  Bankruptcy  Court.  Northern  Plains  was  not  included  in  the  bankruptcy  filing  and  management
believes  that  Northern  Plains  will  continue  to  be  able  to  meet  its  operational  and  administrative  service
obligations under the existing operating agreement. Enron North America Corp. (ENA), a subsidiary of Enron,
was  included  in  the  bankruptcy  filing.  At  the  time  of  the  bankruptcy  filing,  ENA  had  firm  service  agreements
representing approximately 3.5% of contracted capacity, a portion of which (1.1%) had been temporarily released
to a third party until October 31, 2002. Northern Border Pipeline recorded a bad debt expense of approximately
$1.3  million  representing  ENA’s  unpaid  November  and  December  2001  transportation,  which  is  included  in
operations  and  maintenance  expense  on  the  statement  of  income.  On  June  13,  2002,  the  Bankruptcy  Court
approved a Stipulation and Order entered into on May 15, 2002, by ENA and Northern Border Pipeline pursuant

2 0 0 2   A N N U A L   R E P O RT

F-24

T.9.11 Pipeline LP.v5  4/9/03  4:48 PM  Page 76

10.

RELATIONSHIPS WITH ENRON (continued)

to which ENA agreed that all but one of the shipper contracts, representing 1.7% of pipeline capacity, will be
deemed rejected and terminated. The remaining contract was terminated in the third quarter of 2002. For the
year  ended  December  31,  2002,  Northern  Border  Pipeline  has  experienced  lost  revenues  of  approximately
$1.8 million related to ENA’s capacity. Northern Border Pipeline has filed proofs of claims regarding the amount
of damages for breach of contract and other claims in the bankruptcy proceeding. However, Northern Border
Pipeline cannot predict the amounts, if any, that it will collect or the timing of collection. Northern Border Pipeline
believes, however, that any amounts collected will not be material.

Northern Border Pipeline continues to monitor developments at Enron, to assess the impact on Northern Border
Pipeline  of  its  existing  agreements  and  relationships  with  Enron,  and  to  take  appropriate  action  to  protect
Northern Border Pipeline’s interests.

11.

SUBSEQUENT EVENTS

Northern Border Pipeline makes distributions to it general partners approximately one month following the end
of the  quarter.  The  distribution  for  the  fourth  quarter  of  2002  of  approximately  $41.8 million  was  declared  in
January 2003 to be paid in February 2003.

F-25 T C   P I P E L I N E S ,   L P

T.9.11 Pipeline LP.v5  4/9/03  4:48 PM  Page S-1

INDEPENDENT AUDITORS’ REPORT ON SCHEDULE

Northern Border Pipeline Company:

We have audited in accordance with auditing standards generally accepted in the United States of America,
the financial statements of Northern Border Pipeline Company as of December 31, 2002 and 2001 and for each
of the years in the three-year period ended December 31, 2002 included in this Form 10-K, and have issued our
report thereon dated January 23, 2003. 

Our  audits  were  made  for  the  purpose  of  forming  an  opinion  on  the  basic  financial  statements  taken  as  a
whole. The schedule of Northern Border Pipeline Company listed in Item 14 of Part IV of this Form 10-K is the
responsibility of the Company’s management and is presented for purposes of complying with the Securities
and  Exchange  Commission’s  rules  and  is  not  part  of  the  basic  financial  statements.  This  schedule  has  been
subjected to the auditing procedures applied in the audits of the basic financial statements and, in our opinion,
fairly states in all material respects, the financial data required to be set forth therein in relation to the basic
financial statements taken as a whole.

KPMG LLP

January 23, 2003
Omaha, Nebraska

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S-1

T.9.11 Pipeline LP.v5  4/9/03  4:48 PM  Page S-2

NORTHERN BORDER PIPELINE COMPANY

SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS

FOR THE YEARS ENDED DECEMBER 31, 2002, 2001 AND 2000

(In Thousands)

SCHEDULE II

Column A

Description
Reserve for regulatory issues

2002
2001
2000

Column B

Balance at
Beginning
of Year

$
$
$

2,531
1,800
7,376

Allowance for doubtful accounts
$
$
$

2002
2001
2000

3,176
–
–

Column C
Additions 

Charged to
Costs and
Expenses

Charged
to Other
Accounts

Column D
Deductions
For Purpose For
Which Reserves
Were Created

Column E

Balance at
End of Year

$
$
$

$
$
$

9,763
731
1,800

3,452
3,176
–

$ –
$ –
$ –

$ –
$ –
$ –

$
$
$

$
$
$

–
–
7,376

1,823
–
–

$ 12,294
2,531
$
1,800
$

$
$
$

4,805
3,176
–

S-2

T C   P I P E L I N E S ,   L P

Cover_sd.qxd  4/11/03  3:45 PM  Page 2

OUR ASSETS

2

1

2

Northern Border 
Pipeline Company
Tuscarora Gas
Transmission Company

1

OUR GOAL IS TO DELIVER STABLE, SUSTAINABLE CASH FLOWS

TO OUR UNITHOLDERS AND TO FIND OPPORTUNITIES TO INCREASE CASH

DISTRIBUTIONS WHILE MAINTAINING OUR LOW-RISK PROFILE.

NORTHERN BORDER PIPELINE

TUSCARORA

TC PIPELINES OWNERSHIP

ACQUIRED BY TC PIPELINES

COMMENCED OPERATIONS

ORIGINATES NEAR

TERMINATES NEAR
LENGTH (MILES)
RECEIPT CAPACITY (MMcfd

1)

EQUITY INCOME – TC PIPELINES’ SHARE

30%
May 28, 1999

1982
Port of Morgan, MT
North Hayden, IN
1,249
2,373

42.1

42.8

38.1

30.0

15.0

CASH DISTRIBUTIONS – TC PIPELINES’ SHARE

49.2

00

01

02

0

42.9

40.5

30.0

15.0

00

01

02

0

1 Millions of cubic feet per day.

49%
September 1, 2000

1995
Malin, OR
Wadsworth, NV
240
182

10.0

5.0

0

10.0

5.0

0

4.7

3.6

0.9
00

01

02

4.6

1.5

00

2.4

01

02

OUR STRATEGY

Focus on natural gas transmission assets that 

• are underpinned with long-term

transportation contracts  

• have organic growth potential  

• connect to growing natural gas 

consuming markets  

• connect to growing natural gas supply

Leverage from TransCanada’s expertise 

in natural gas transmission industry

Maintain strong financial position

BOARD OF DIRECTORS
OF THE GENERAL PARTNER
OF TC PIPELINES, LP

(December 31, 2002) 

EXECUTIVE OFFICERS
OF THE GENERAL PARTNER
OF TC PIPELINES, LP

(December 31, 2002) 

Albrecht W.A. Bellstedt
Executive Vice-President, Law and General Counsel

Ronald J. Turner

President and Chief Executive Officer

TransCanada PipeLines Limited

Calgary, Alberta

Russell K. Girling
Executive Vice-President and Chief Financial Officer

TransCanada PipeLines Limited

Calgary, Alberta

Robert A. Helman (2) (4)
Partner

Mayer, Brown, Rowe & Maw

Chicago, Illinois

Jack F. Jenkins-Stark (2) (3)
Senior Vice-President and Chief Financial Officer

Silicon Energy Corp.

Alameda, California

David L. Marshall (1) (4)
Retired Vice-Chairman and Chief Financial Officer

The Pittston Company

Incline Village, Nevada

Dennis J. McConaghy
Executive Vice-President, Gas Development

TransCanada PipeLines Limited

Calgary, Alberta

Ronald J. Turner
Executive Vice-President, Operations and Engineering

TransCanada PipeLines Limited

Calgary, Alberta

Russell K. Girling
Chief Financial Officer

Paul F. MacGregor
Vice-President, Business Development

Donald R. Marchand
Vice-President and Treasurer

Ronald L. Cook
Vice-President, Taxation

Theresa Jang
Controller

Rhondda E.S. Grant
Secretary

(1) Chair, Audit Committee
(2) Member, Audit Committee
(3) Chair, Conflicts Committee
(4) Member, Conflicts Committee

INVESTOR RELATIONS
Theresa Jang
Controller
Telephone: (877) 290-2772
Facsimile: (403) 920-2350
Email: investor_relations@tcpipelineslp.com

INTERNET SITE
www.tcpipelineslp.com

K-1 INFORMATION
Telephone: (877) 699-1091

OFFICES
110 Turnpike Road, Suite 203
Westborough, Massachusetts 01581
Telephone: (508) 871-7046
Facsimile: (508) 871-7047

450 – First Street SW
Calgary, Alberta T2P 5H1
Telephone: (877) 290-2772
Facsimile: (403) 920-2350

STOCK EXCHANGE LISTING
Nasdaq Stock Market: TCLP

AUDITORS

KPMG LLP
Calgary, Alberta

TRANSFER AGENT
Mellon Investor Services LLC
Ridgefield Park, New Jersey
Telephone: (800) 756-3353

Please recycle         April 2003   Printed in Canada 

Designed and produced by

Cover_sd.qxd  4/11/03  3:45 PM  Page 1

TC PIPELINES, LP
450 – First Street SW  Calgary, Alberta, Canada  T2P 5H1

toll-free (877) 290-2772 facsimile (403) 920-2350
www.tcpipelineslp.com

2 0 0 2 A N N U A L   R E P O R T

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,

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f o c u s

d i s c i p l i n e

RESULTS

TC PipeLines, LP is a United States limited partnership that 

offers investors stable cash flow and growth prospects through

participation in the natural gas transmission industry. TC PipeLines

owns a 30 percent interest in Northern Border Pipeline Company and a 49 percent interest in

Tuscarora Gas Transmission Company. Both Northern Border Pipeline and Tuscarora own interstate

pipeline systems that transport western Canadian natural gas to growing natural gas consuming

markets in the midwestern United States and northern Nevada areas, respectively. The Partnership 

is managed by its general partner, TC PipeLines GP, Inc., a wholly owned subsidiary of TransCanada

PipeLines Limited, a leading North American energy company. 

Common units of TC PipeLines are listed on the Nasdaq Stock Market and trade under the symbol “TCLP”.

Highlights 1

Letter to Unitholders 2

Form 10-K 3

Financial Statements F-1