TC Pipelines, LP
Annual Report 1999

Plain-text annual report

TC PIPELINES, LP 1999 Annual Report TCPipelinesFolder.kk 4/19/00 10:26 AM Page 1 BOARD OF DIRECTORS OF THE GENERAL PARTNER OF TC PIPELINES, LP (March 21, 2000) Russell K. Girling Senior Vice-President and Chief Financial Officer TransCanada PipeLines Limited Calgary, Alberta Robert A. Helman Partner Mayer, Brown & Platt Chicago, Illinois Jack F. Jenkins-Stark Senior Vice-President and Chief Financial Officer GATX Capital San Francisco, California David L. Marshall Corporate Director Green Valley, California Garry P. Mihaichuk Senior Vice-President and President, Transmission TransCanada PipeLines Limited Calgary, Alberta Walentin Mirosh Senior Vice-President, Corporate Strategy and Business Development TransCanada PipeLines Limited Calgary, Alberta Ronald J. Turner Senior Vice-President and President, International TransCanada PipeLines Limited Calgary, Alberta EXECUTIVE OFFICERS OF THE GENERAL PARTNER OF TC PIPELINES, LP (March 21, 2000) INVESTOR RELATIONS Theresa Jang Controller Garry P. Mihaichuk President and Chief Executive Officer Russell K. Girling Chief Financial Officer Paul F. MacGregor Vice-President, Business Development Donald R. Marchand Vice-President and Treasurer Gary G. Penrose Vice-President, Taxation Karyn A. Brooks Vice-President Theresa Jang Controller Rhondda E.S. Grant Secretary Telephone: 1-877-290-2772 (toll-free) Facsimile: (403) 261-3599 email: investor_relations@tcpipelineslp.com OFFICES Four Greenspoint Plaza 16945 Northchase Drive Houston, Texas 77060 Telephone: (281) 873-7774 801 – 7th Avenue SW Calgary, Alberta T2P 3P7 Telephone: 1-877-290-2772 (toll-free) Facsimile: (403) 261-3599 INTERNET SITE www.tcpipelineslp.com STOCK EXCHANGE LISTING Nasdaq National Market Symbol: TCLPZ AUDITORS KMPG LLP Calgary, Alberta TRANSFER AGENT ChaseMellon Shareholder Services, L.L.C. Ridgefield Park, New Jersey Four Greenspoint Plaza 16945 Northchase Drive Houston, Texas 77060 Printed in Canada risks and uncertainties, you are advised to consult TC PipeLines, LP’s 1999 Form 10-K under the heading “Forward-Looking Information.” industry; and prevailing economic conditions, particularly conditions of the capital and equity markets. For further information on additional charges to be collected by Northern Border Pipeline for transportation services on the Northern Border pipeline system; overcapacity in the Regulatory Commission; future demand for natural gas; cost of acquisitions, including related debt service payments; tariff and transportation anticipated results. Such risks and uncertaintiesinclude, but are not limited to: regulatory decisions, particularly those of the Federal Energy are subject to various risks and uncertainties that could cause TC PipeLines, LP’s actual results and experience to differ materially from the uch statements “anticipate,” “believe,” “estimate,” “expect,” “plan,” “target” or similar words suggesting future outcomes. By their nature, s financial performance, business prospects and strategies. Forward-looking information typically contains statements with words such as Forward-Looking InformationCertain statements in this Annual Report are forward-looking and relate to, among other things, anticipated TCPipelinesFolder.kk 4/19/00 10:29 AM Page 2 Our vision is to be a leader in total unitholder return among the pipeline limited partnerships. Our goal is to create a consistent track record of increasing cash distributions to unitholders. These increasing cash distributions will be supported by improving operating cash flow of existing assets and by acquiring new assets that add value. Our focus will be on natural gas pipelines and related assets that are well positioned in the United States natural gas market. TC PIPELINES, LP 99 AR 1999 HIGHLIGHTS TC PipeLines, LP was formed by TransCanada PipeLines Limited to acquire, own and participate in the management of United States based pipeline assets. The activities of TC PipeLines, LP are managed by its general partner, TC PipeLines GP, Inc., a wholly-owned subsidiary of TransCanada. Common units of TC PipeLines, LP are quoted on the Nasdaq National Market and trade under the symbol TCLPZ. TC PipeLines, LP issued 14.3 million common units (11.5 million to the public and 2.8 million to an affiliate of the general partner) through its initial public offering in May 1999. TC PipeLines, LP used the net proceeds, along with the issuance of 3.2 million subordinated units, a 2% general partner interest and incentive distribution rights to acquire TransCanada’s 30% general partner interest in Northern Border Pipeline Company, a general partnership engaged in the business of transporting natural gas. Northern Border Pipeline owns a 1,214-mile United States interstate pipeline system that transports natural gas from the Montana-Saskatchewan border to markets in the midwestern United States. With the December 1998 completion of Northern Border Pipeline’s expansion and extension into Illinois (The Chicago Project), Northern Border Pipeline increased the capacity of its pipeline system by approximately 42% from 1.7 billion cubic feet of nat- ural gas per day to 2.4 billion cubic feet per day. In 1999, Northern Border’s pipeline system transported approximately 23% of the total volume of natural gas imported from Canada to the United States. TC PipeLines, LP paid cash distributions of $1.068 per unit for the period May 28 to December 31, 1999. These distributions were on target with the distribution level set in the May 24, 1999 initial public offering prospectus. 1999 Financial Highlights (thousands of dollars, except per unit amounts) Equity income from investment in Northern Border Pipeline Company Net income Net income per unit Cash distributions per unit (2) Units outstanding (thousands) Common units Subordinated units (1) TC PipeLines, LP commenced operations on May 28, 1999. (2) Cash distributions are paid within 45 days after the end of each quarter. Second Quarter 1999(1) (unaudited) Third Quarter 1999 (unaudited) Fourth Quarter 1999 (unaudited) Period Ended December 31, 1999 (1) 3,130 2,986 $0.167 $0.168 14,691 2,809 17,500 8,738 8,499 $0.476 $0.450 14,691 2,809 17,500 9,055 8,739 $0.489 $0.450 14,691 2,809 17,500 20,923 20,224 $1.132 $1.068 14,691 2,809 17,500 TC PIPELINES, LP 99 AR LETTER TO UNITHOLDERS When TC PipeLines, LP (the Partnership) was introduced to the public in May 1999, we set out to create an investment opportunity for unitholders to participate in the growth of the United States natural gas pipeline industry. We stated that our goal was to provide unitholders with cash flows and growth opportunities by acquiring high quality pipeline transmission and related assets. We are pleased to report that the Partnership is taking positive steps toward achieving this goal. In May 1999, we successfully completed our initial public offering. We used the net proceeds from this offering to accomplish the first step in our acquisition strategy by purchasing TransCanada’s 30% general partner interest in Northern Border Pipeline Company. Northern Border Pipeline’s 1,214-mile pipeline system is a key link between pipeline systems access- ing the natural gas supply in the western Canadian sedimentary basin and pipeline systems serving the market areas in the midwestern United States. We believe Northern Border Pipeline provided the ideal asset to form the foundation of the Partnership and 1999 was the right time to acquire it. With the completion of The Chicago Project in December 1998, Northern Border Pipeline substantially increased its capacity to transport natural gas and extended its reach within the growing midwestern market. In 1999, earnings from the expanded pipeline system were strong, reflecting the sound fundamentals that underpin Northern Border Pipeline. Through our investment in Northern Border Pipeline, we met our financial targets for 1999. Our share of cash flows from Northern Border Pipeline’s operations enabled us to meet our quarterly cash distribution target for each period in 1999. For the initial period of May 28, 1999 (the closing date of the Partnership’s initial public offering) to June 30, 1999, we distributed $0.168 per unit, representing the minimum quarterly distribution of $0.45 per unit as adjusted for the shortened period. This was followed by two consecutive distributions of $0.45 per unit for the third and fourth quarters of 1999. Looking ahead, the North American natural gas market continues to show robust growth in both demand and supply. Strong growth in natural gas demand is expected in all market sectors over the coming decade. Of particular importance, natural gas has become the primary energy source for powering new electricity generating plants in the United States. Natural gas is the fuel of choice for new power plants because of its extremely low TC PIPELINES, LP 99 AR emission levels, short construction lead times and an abundant, competitively priced supply. We believe the Northeast, Midwest and West regions of the United States provide the best opportunities for the Partnership to grow. We will continue to focus our efforts on completing additional acquisitions of strate- gically located natural gas pipeline assets with stable earnings and cash flow, and growth potential to serve the increasing demand for natural gas in these regions. As TransCanada’s primary acquisition and growth vehicle in the United States for natural gas pipeline assets, we believe we have the management expertise and industry knowledge to capitalize on these opportunities. As well, we plan to participate in further expansions and extensions of Northern Border’s pipeline system. Project 2000, Northern Border Pipeline’s proposed 34-mile exten- sion of its existing natural gas pipeline system, is designed to provide customers with access to the industrial area in northern Indiana and to provide a low-cost, reliable alternative fuel to this market. This is consistent with our strategy of reaching new markets. We are very pleased with the Partnership’s accomplishments to date and look forward Garry P. Mihaichuk President and Chief Executive Officer to the opportunities ahead. On behalf of TC PipeLines, LP, Garry P. Mihaichuk (signed) President and Chief Executive Officer TC PipeLines GP, Inc. March 21, 2000 TC PIPELINES, LP 99 AR FREQUENTLY ASKED QUESTIONS Q: Why did TransCanada decide to form TC PipeLines, LP? A: One of TransCanada’s objectives is to transport increasing amounts of Canadian natu- ral gas to growing United States markets and thereby grow its transmission asset activity in the United States. TransCanada determined that the most effective means of accomplishing this objective was through the creation of a growth vehicle such as TC PipeLines, LP. Q: Why was Northern Border Pipeline selected as the first asset for TC PipeLines, LP to acquire? A: We believe that Northern Border Pipeline’s long operating history, stable cash flow and good growth prospects made it an ideal initial investment. As well, the Northern Border pipeline system has pipeline access to natural gas reserves in the western Canadian sedimentary basin and interconnects with multiple pipelines, allowing its customers to access significant natural gas consuming markets in the midwestern United States. We felt these attributes of Northern Border Pipeline would provide an excellent foundation on which to build TC PipeLines, LP. Q: Northern Border Pipeline is facing increasing competition in the transportation of natural gas from the western Canadian sedimentary basin to markets in the midwestern United States. How is Northern Border Pipeline positioned to deal with this competition? A: On a full-cost basis, Northern Border Pipeline is the low-cost transporter of Canadian natural gas into the Chicago market. As well, the Northern Border pipeline system provides customers with flexibility in their delivery options as it is interconnected with several other pipeline systems along its length and at its easternmost terminus. Therefore, we believe Northern Border Pipeline’s competitive position continues to be strong. Q: Are there specific characteristics you are looking for in an acquisition target? A: Our goal is to acquire assets that will add immediate and sustainable value to unitholders. To meet this goal we will look for assets that possess the following characteristics: (cid:2) strategic location relative to our target markets and our existing assets; (cid:2) connection to competitive and sustainable supply basins; (cid:2) connection to above average growth markets; and (cid:2) strong portfolio of customers. Q: Where do you expect these acquisition opportunities to come from? A: There are currently a number of United States energy companies that are involved in or have recently completed merger activities. As merged companies realign their portfolios of assets, they may choose, or be required by regulation, to divest themselves of pipeline assets. We believe this could provide buying opportunities for TC PipeLines, LP. As well, we believe our affiliation with TransCanada will provide acquisition opportunities both through pipelines that are strategically linked with existing TransCanada assets and pipeline assets currently owned by TransCanada. Forward-Looking Information Certain statements in this Annual Report are forward-looking and relate to, among other things, anticipated financial performance, business prospects and strategies. Forward-looking information typically contains statements with words such as “anticipate,” “believe,” “estimate,” “expect,” “plan,” “target” or similar words suggesting future outcomes. By their nature, s uch statements are subject to various risks and uncertainties that could cause TC PipeLines, LP’s actual results and experience to differ materially from the anticipated results. Such risks and uncertainties include, but are not limited to: regulatory decisions, particularly those of the Federal Energy Regulatory Commission; future demand for natural gas; cost of acquisitions, including related debt service payments; tariff and transportation charges to be collected by Northern Border Pipeline for transportation services on the Northern Border pipeline system; overcapacity in the industry; and prevailing economic conditions, particularly conditions of the capital and equity markets. For further information on additional risks and uncertainties, you are advised to consult TC PipeLines, LP’s 1999 Form 10-K under the heading “Forward-Looking Inform ation.” Printed in Canada Houston, Texas 77060 16945 Northchase Drive Four Greenspoint Plaza Ridgefield Park, New Jersey Shareholder Services, L.L.C. ChaseMellon TRANSFER AGENT Calgary, Alberta KMPG LLP AUDITORS Symbol: TCLPZ Nasdaq NationalMarket STOCK EXCHANGE LISTING www.tcpipelineslp.com INTERNET SITE Facsimile:(403) 261-3599 Telephone:1-877-290-2772 (toll-free) Calgary, AlbertaT2P 3P7 801 – 7th Avenue SW Telephone:(281) 873-7774 Houston, Texas77060 16945 Northchase Drive Four Greenspoint Plaza OFFICES email: investor_relations@tcpipelineslp.com Facsimile:(403) 261-3599 Telephone:1-877-290-2772 (toll-free) Secretary Rhondda E.S. Grant Controller Theresa Jang Vice-President Karyn A. Brooks Vice-President,Taxation Gary G. Penrose Vice-President and Treasurer Donald R. Marchand Business Development Vice-President, Paul F. MacGregor Chief Financial Officer Russell K. Girling Chief Executive Officer President and Garry P. Mihaichuk Controller Theresa Jang INVESTOR RELATIONS (March 21, 2000) TC PIPELINES, LP GENERAL PARTNER OF EXECUTIVE OFFICERS OF THE Calgary, Alberta TransCanada PipeLines Limited President, International Senior Vice-President and Ronald J. Turner Calgary, Alberta TransCanada PipeLines Limited Strategy and Business Development Senior Vice-President, Corporate Walentin Mirosh Calgary, Alberta TransCanada PipeLines Limited President, Transmission Senior Vice-President and Garry P. Mihaichuk Green Valley, California Corporate Director David L. Marshall San Francisco, California GATX Capital Chief Financial Officer Senior Vice-President and Jack F. Jenkins-Stark Chicago, Illinois Mayer, Brown & Platt Partner Robert A. Helman Calgary, Alberta TransCanada PipeLines Limited Chief Financial Officer Senior Vice-President and Russell K. Girling (March 21, 2000) TC PIPELINES, LP GENERAL PARTNER OF BOARD OF DIRECTORS OF THE TCPipelinesFolder.kk 4/19/00 10:26 AM Page 1 Report Annual 1999 TC PIPELINES, LP TC PIPELINES, LP 1999 Annual Report TCPipelinesFolder.kk 4/19/00 10:26 AM Page 1 BOARD OF DIRECTORS OF THE GENERAL PARTNER OF TC PIPELINES, LP (March 21, 2000) Russell K. Girling Senior Vice-President and Chief Financial Officer TransCanada PipeLines Limited Calgary, Alberta Robert A. Helman Partner Mayer, Brown & Platt Chicago, Illinois Jack F. Jenkins-Stark Senior Vice-President and Chief Financial Officer GATX Capital San Francisco, California David L. Marshall Corporate Director Green Valley, California Garry P. Mihaichuk Senior Vice-President and President, Transmission TransCanada PipeLines Limited Calgary, Alberta Walentin Mirosh Senior Vice-President, Corporate Strategy and Business Development TransCanada PipeLines Limited Calgary, Alberta Ronald J. Turner Senior Vice-President and President, International TransCanada PipeLines Limited Calgary, Alberta EXECUTIVE OFFICERS OF THE GENERAL PARTNER OF TC PIPELINES, LP (March 21, 2000) INVESTOR RELATIONS Theresa Jang Controller Garry P. Mihaichuk President and Chief Executive Officer Russell K. Girling Chief Financial Officer Paul F. MacGregor Vice-President, Business Development Donald R. Marchand Vice-President and Treasurer Gary G. Penrose Vice-President, Taxation Karyn A. Brooks Vice-President Theresa Jang Controller Rhondda E.S. Grant Secretary Telephone: 1-877-290-2772 (toll-free) Facsimile: (403) 261-3599 email: investor_relations@tcpipelineslp.com OFFICES Four Greenspoint Plaza 16945 Northchase Drive Houston, Texas 77060 Telephone: (281) 873-7774 801 – 7th Avenue SW Calgary, Alberta T2P 3P7 Telephone: 1-877-290-2772 (toll-free) Facsimile: (403) 261-3599 INTERNET SITE www.tcpipelineslp.com STOCK EXCHANGE LISTING Nasdaq National Market Symbol: TCLPZ AUDITORS KMPG LLP Calgary, Alberta TRANSFER AGENT ChaseMellon Shareholder Services, L.L.C. Ridgefield Park, New Jersey Four Greenspoint Plaza 16945 Northchase Drive Houston, Texas 77060 Printed in Canada risks and uncertainties, you are advised to consult TC PipeLines, LP’s 1999 Form 10-K under the heading “Forward-Looking Information.” industry; and prevailing economic conditions, particularly conditions of the capital and equity markets. For further information on additional charges to be collected by Northern Border Pipeline for transportation services on the Northern Border pipeline system; overcapacity in the Regulatory Commission; future demand for natural gas; cost of acquisitions, including related debt service payments; tariff and transportation anticipated results. Such risks and uncertaintiesinclude, but are not limited to: regulatory decisions, particularly those of the Federal Energy are subject to various risks and uncertainties that could cause TC PipeLines, LP’s actual results and experience to differ materially from the uch statements “anticipate,” “believe,” “estimate,” “expect,” “plan,” “target” or similar words suggesting future outcomes. By their nature, s financial performance, business prospects and strategies. Forward-looking information typically contains statements with words such as Forward-Looking InformationCertain statements in this Annual Report are forward-looking and relate to, among other things, anticipated TC PIPELINES, LP 99 AR United States Securities and Exchange Commission Washington, D.C. 20549 F O R M 1 0-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 1999 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.) FOUR GREENSPOINT PLAZA 16945 NORTHCHASE DRIVE HOUSTON, TEXAS 77060 (Address of principal executive offices)(zip code) Registrant’s telephone number, including area code: 281-873-7774 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 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 con- tained herein, and will not be contained, to be 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] Aggregate market value of the voting and non-voting common equity held by non-affiliates of the registrant, based on March 10, 2000, was approximately $188.6 million. As of March 10, 2000, there were 14,690,694 of the registrant’s common units outstanding. TC PIPELINES, LP 99 AR TABLE OF CONTENTS Part I Item 1. Business Item 2. Properties Item 3. Litigation Item 4. Submission of Matters to a Vote of Security Holders Part II Item 5. Market for Registrant’s Common Units and Related Security Holder Matters Item 6. Selected Financial Data Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations Item 7a. Quantitative and Qualitative Disclosures About Market Risk Item 8. Financial Statements and Supplementary Data Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure Part III Item 10. Directors and Officers of the General Partner Item 11. Executive Compensation Item 12. Security Ownership of Certain Beneficial Owners and Management Item 13. Certain Relationships and Related Transactions Part IV Item 14. Exhibits, Financial Statement Schedules and Reports on Form 8-K Page No. 2 11 12 12 13 14 14 20 20 20 21 22 23 23 25 TC PIPELINES, LP 99 AR FORWARD LOOKING INFORMATION Certain written and oral statements made or incorporated by reference from time to time by TC PipeLines, LP, its general partner, or their representatives in this Form 10-K and other reports and filings made with the Securities and Exchange Commission, press releases, conferences or otherwise, 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 the Management’s Discussion and Analysis found herein. By its nature, such forward-looking information is subject to various risks and uncertainties, including those discussed below, which could cause TC PipeLines’ actual results and experience to differ materially from the anticipated results or other expectations expressed. Readers are cautioned not to place undue reliance on this forward-looking information, which is as of the date of this Form 10-K, and 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. Forward-looking information typically contains statements with words such as “anticipate,” “believe,” “esti- mate,” “expect,” “plan,” “target” or similar words suggesting future outcomes. The following discussion is intended to identify certain factors, though not necessarily all factors, which could cause future outcomes to differ mate- rially from those set forth in the forward-looking information. The risks and uncertainties that may affect the operations, performance, development and results of TC PipeLines’ business and its ability to make cash distributions to unitholders include, but are not limited to, the following factors: regulatory decisions, particularly those of the Federal Energy Regulatory Commission (“FERC”); (cid:2) cost of acquisitions, including related debt service payments; tariff and transportation charges to be collected by Northern Border Pipeline Company for transportation services on the Northern Border pipeline system; the amount of cash distributed to TC PipeLines by Northern Border Pipeline; the inability of Northern Border Pipeline to maintain or increase its rate base by successfully completing FERC approved projects; (cid:2) a decline in the availability of western Canadian natural gas; (cid:2) majority control of the Northern Border Pipeline management committee by Northern Border Partners, L.P.; the amount of cash required to be contributed by TC PipeLines to Northern Border Pipeline to fund its operations; (cid:2) competitive factors and pricing pressures; (cid:2) overcapacity in the natural gas transportation industry; (cid:2) shifts in market demand; (cid:2) changes in laws and regulations, including environmental and regulatory laws; increases in maintenance and operating costs that are not recovered by increased transportation rates; (cid:2) uncertainties of litigation; (cid:2) prevailing economic conditions, particularly conditions of the capital and equity markets; the effects of required compliance with debt covenants; timing of completion of capital or maintenance projects; the availability of adequate levels of insurance; (cid:2) currency and interest rate fluctuations; the potential that the Internal Revenue Service could treat TC PipeLines as a corporation; (cid:2) various events which could disrupt operations (including explosions, fires, and severe weather conditions); and (cid:2) dependence on TransCanada’s management expertise. Page 1 (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) TC PIPELINES, LP 99 AR All amounts are stated in United States dollars unless otherwise indicated. PART I Item 1. Business Business of TC PipeLines, LP TC PipeLines, LP and its subsidiary limited partnership, TC PipeLines Intermediate Limited Partnership, col- lectively referred to herein as “TC PipeLines” or “the Partnership,” were formed by TransCanada PipeLines Limited to acquire, own and participate in the management of United States based pipeline assets. A wholly-owned sub- sidiary of TransCanada, TC PipeLines GP, Inc., serves as the general partner of the Partnership. On May 28, 1999, the Partnership issued 14,300,000 common units (11,500,000 to the public and 2,800,000 to an affiliate of the general partner) through its initial public offering for net proceeds of $274.6 million. The Partnership used the net proceeds from this offering, along with 3,200,000 subordinated units, an aggregate 2% general partner interest and incentive distribution rights, to acquire the collective 30% general partner inter- est in Northern Border Pipeline Company previously held by TransCanada Border PipeLine Ltd. and TransCan Northern Ltd. (collectively, the predecessor companies), affiliates of the general partner. 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 not affiliated with TC PipeLines. Subsequent to the initial public offering, the underwriters exercised a portion of their over-allotment option and purchased 390,694 additional common units for net proceeds of $7.5 million. The Partnership used these proceeds to redeem an equal number of subordinated units held by the general partner. The general partner holds an aggregate 2% general partner interest in the Partnership. The general part- ner also owns 2,809,306 subordinated units and is entitled to incentive distribution rights if quarterly cash distributions on the units exceed specified levels. For the period ended December 31, 1999, the Partnership’s 30% general partner interest in Northern Border Pipeline represents its only material asset. Business of Northern Border Pipeline Company General Northern Border Pipeline Company is a general partnership formed in 1978. The general partners are TC PipeLines, LP and Northern Border Partners, L.P., both of which are publicly traded partnerships. Each of TC PipeLines and Northern Border Partners holds its interest in Northern Border Pipeline Company, 30% and 70% of voting power, respectively, through a subsidiary limited partnership. The general partner of TC PipeLines and its subsidiary limited partnership is TC PipeLines GP, Inc., a subsidiary of TransCanada. The general partners of Northern Bor- der Partners and its subsidiary limited partnership are Northern Plains Natural Gas Company and Pan Border Gas Company, both subsidiaries of Enron Corp., and Northwest Border Pipeline Company, a subsidiary of The Williams Companies, Inc. Northern Border Pipeline owns a 1,214-mile United States interstate pipeline system that transports nat- ural gas from the Montana-Saskatchewan border to natural gas markets in the midwestern United States. The Northern Border pipeline system connects with multiple pipelines, which provides shippers with access to the various natural gas markets served by those pipelines. The Northern Border pipeline system was initially constructed in 1982 and was expanded and/or extended in 1991, 1992 and 1998. The most recent expansion and extension, called The Chicago Project, was completed in late 1998, and increased the pipeline system’s ability to receive natural gas by 42% to its current capacity of 2,373 million cubic feet per day. In the year ended December 31, 1999, TC PipeLines estimates that Northern Border Pipeline transported approximately 23% of the total amount of natural gas imported from Canada to the United States. Over the same period, approximately 91% of the natural gas Northern Border Pipeline transported was produced in the western Canadian sedimentary basin located in the provinces of Alberta, British Colum- bia and Saskatchewan. Northern Border Pipeline transports natural gas for shippers under a tariff regulated by the Federal Energy Regulatory Commission. Northern Border Pipeline generates revenues from individual transportation contracts with shippers that provide for the receipt and delivery of natural gas at points along the Northern Border pipeline Page 2 TC PIPELINES, LP 99 AR system. The tariff allows Northern Border Pipeline an opportunity to recover from shippers its cost of service, including operations and maintenance costs, taxes other than income taxes, interest, depreciation and amorti- zation, an allowance for income taxes and a regulated return on equity. Shippers contract to pay for a proportionate share of those costs through a mileage-based charge for the amount of capacity contracted. The shippers are obligated to pay the charge regardless of the amount of natural gas they transport. Northern Border Pipeline does not own the natural gas that it transports and therefore Northern Border Pipeline does not assume any natural gas commodity price risk. The management of Northern Border Pipeline is overseen by a four-member management committee. TC PipeLines controls 30% of the voting power of the Northern Border Pipeline management committee and designates one member. Northern Border Partners controls 70% of the voting power of the Northern Border Pipeline management committee and designates three members. Under the Northern Border Pipeline partnership agreement, voting power on the Northern Border Pipeline management committee is presently allocated among Northern Border Partners’ three general partners in pro- portion to their general partner interests in Northern Border Partners. As a result, the 70% voting power of Northern Border Partners’ three representatives on the management committee is allocated as follows: 35% to the rep- resentative 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 Corp. Therefore, Enron controls 57.75% of the voting power of the management committee and has the right to select two of the members of the management committee. The Northern Border pipeline system is operated by Northern Plains pursuant to an operating agreement. As of December 31, 1999, Northern Plains employed approximately 190 individuals located at its headquarters in Omaha, Nebraska and at locations along the pipeline route. Northern Plains’ employees are not represented by any labor union and are not covered by any collective bargaining agreements. The Northern Border Pipeline System With the completion of The Chicago Project in December 1998, Northern Border Pipeline owns a 1,214-mile United States interstate pipeline system that transports natural gas from the Montana-Saskatchewan border near Port of Morgan, Montana, to interconnecting pipelines in the upper Midwest of the United States. Construction of the Northern Border pipeline system was initially completed in 1982 and was expanded and/or extended in 1991, 1992 and 1998. The Northern Border pipeline system has pipeline access to natural gas reserves in the western Cana- dian sedimentary basin in the provinces of Alberta, British Columbia and Saskatchewan in Canada, as well as the Williston Basin in the United States. The Northern Border pipeline system also has access to synthetic gas produced at the Dakota Gasification plant in North Dakota. For the year ended December 31, 1999, of the nat- ural gas transported on the Northern Border pipeline system, approximately 91% was produced in Canada, approximately 5% was produced by the Dakota Gasification plant, and approximately 4% was produced in the Williston Basin. The Northern Border pipeline system consists of 822 miles of 42-inch diameter pipe designed to trans- port 2,373 million cubic feet per day from the Canadian border to Ventura, Iowa; 30-inch diameter pipe and 36-inch diameter pipe, each approximately 147 miles in length, designed to transport 1,300 million cubic feet per day in total from Ventura, Iowa to Harper, Iowa; and 226 miles of 36-inch diameter pipe and 19 miles of 30- inch diameter pipe designed to transport 645 million cubic feet per day from Harper, Iowa to a terminus near Manhattan, Illinois (Chicago area). Along the pipeline there are 15 compressor stations with total rated horse- power of 476,500 and measurement facilities to support the receipt and delivery of gas at various points. Other facilities include four field offices and a microwave communication system with 51 tower sites. At its northern end, the Northern Border pipeline system is connected to TransCanada’s majority-owned Foothills Pipe Lines (Sask.) Ltd. system in Canada, which is connected to the Alberta System, owned by TransCanada, and the pipeline system owned by Transgas Limited in Saskatchewan. The Alberta System gathers and trans- ports approximately 19% of the total North American natural gas production and approximately 77% of the natural gas produced in the western Canadian sedimentary basin. The Northern Border pipeline system also connects Page 3 TC PIPELINES, LP 99 AR with facilities of Williston Basin Interstate Pipeline at Glen Ullin and Buford, North Dakota, facilities of Amer- ada Hess Corporation at Watford City, North Dakota and facilities of Dakota Gasification Company at Hebron, North Dakota in the northern portion of the Northern Border Pipeline system. Interconnects The Northern Border pipeline system connects with multiple pipelines, which provides its shippers with access to the various natural gas markets served by those pipelines. The Northern Border pipeline system intercon- nects with pipeline facilities of: (cid:2) Northern Natural Gas Company, an Enron subsidiary, at Ventura, Iowa as well as multiple smaller interconnections in South Dakota, Minnesota and Iowa; (cid:2) Natural Gas Pipeline Company of America at Harper, Iowa; (cid:2) MidAmerican Energy Company at Iowa City and Davenport, Iowa; (cid:2) Alliant Power Company at Prophetstown, Illinois; (cid:2) Northern Illinois Gas Company at Troy Grove and Minooka, Illinois; (cid:2) Midwestern Gas Transmission Company near Channahon, Illinois; (cid:2) ANR Pipeline Company near Manhattan, Illinois; and (cid:2) The Peoples Gas Light and Coke Company near Manhattan, Illinois at the terminus of the Northern Border pipeline system. The Ventura, Iowa interconnect with Northern Natural Gas Company functions as a large market cen- ter, 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 destined for other markets. Shippers The Northern Border pipeline system serves more than 40 shippers with diverse operating and financial pro- files. Based upon shippers’ cost of service obligations, as of December 31, 1999, 93% of the firm capacity is contracted by producers and marketers. The remaining firm capacity is contracted to local distribution com- panies (5%) and interstate pipelines (2%). As of December 31, 1999, the termination dates of these contracts ranged from October 31, 2001 to December 21, 2013 and the weighted average contract life, based upon annual cost of service obligations was slightly under seven years with at least 97% of capacity contracted through mid- September 2003. Based on their proportionate shares of the cost of service, as of December 31, 1999, the five largest ship- pers are: Pan-Alberta Gas (U.S.) Inc. (25.7%), TransCanada PipeLines Limited (10.8%), PanCanadian Energy Services Inc. (7.0%), Enron North America Corp. (formerly Enron Capital & Trade Resources Corp.) (5.7%) and PetroCanada Hydrocarbons Inc. (4.9%). The 20 largest shippers, in total, are responsible for an estimated 88.4% of Northern Border Pipeline’s cost of service. As of December 31, 1999, Northern Border Pipeline’s largest shipper, Pan-Alberta holds firm capacity of 690 million cubic feet per day under three contracts with terms to October 31, 2003. An affiliate of Enron pro- vides guaranties for 300 million cubic feet per day of Pan-Alberta’s contractual obligations through October 31, 2001. In addition, Pan-Alberta’s remaining capacity is supported by various credit support arrangements, includ- ing, among others, a letter of credit, a guaranty from an interstate pipeline company through October 31, 2001 Page 4 TC PIPELINES, LP 99 AR for 132 million cubic feet per day, an escrow account and an upstream capacity transfer agreement. In January 2000, it was announced that Southern Company Energy Marketing has agreed in principle to manage the assets of Pan-Alberta Gas Ltd., which would include Pan-Alberta’s contracts with Northern Border Pipeline. Subject to the necessary approvals, this arrangement is expected to go into effect in the second quarter of 2000. Some of Northern Border Pipeline’s shippers are affiliated with the general partners of TC PipeLines and Northern Border Partners. TransCanada holds contracts representing 10.8% of the cost of service. Enron North America Corp., a subsidiary of Enron, holds contracts representing 5.3% of the cost of service, which was 5.7% at 1999 year end. Transcontinental Gas Pipe Line Corporation, a subsidiary of Williams, holds a contract represent- ing 0.8% of the cost of service. See Item 13. “Certain Relationships and Related Transactions.” Demand For Transportation Capacity Northern Border Pipeline’s long-term financial condition is dependent on the continued availability of economic western Canadian natural gas 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, gath- ering, storage, transportation and other facilities that permit natural gas to be produced and delivered to pipelines that interconnect with the Northern Border pipeline system. 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. Additional pipeline export capacity also could accelerate depletion of these reserves. Northern Border Pipeline’s business depends in part on the level of demand for western Canadian natu- ral gas in the markets the Northern Border pipeline system serves. The volumes of natural gas delivered to these markets from other sources affect the demand for both western Canadian natural gas and use of the Northern Border pipeline system. Demand for western Canadian 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 market that Northern Border Pipeline serves. A variety of factors could affect the demand for natural gas in the markets that the Northern Border pipeline system serves. These factors include: (cid:2) economic conditions; fuel conservation measures; (cid:2) alternative energy requirements and prices; (cid:2) climatic conditions; (cid:2) government regulation; and technological advances in fuel economy and energy generation devices. 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 that adverse effect could be. Future Demand and Competition In October 1998, Northern Border Pipeline applied to the FERC for approval of Project 2000 to expand and extend its pipeline system into Indiana. If constructed, Project 2000 will strategically position Northern Border Pipeline to move natural gas east of Chicago and will place Northern Border Pipeline in direct contact with major indus- trial natural gas consumers. Project 2000 would afford shippers on the expanded/extended pipeline system access to the northern Indiana industrial zone. The proposed pipeline extension will interconnect with Northern Indi- ana Public Service Company, a major midwest local distribution company with a large industrial load requirement, at the terminus near North Hayden, Indiana. Page 5 (cid:2) (cid:2) TC PIPELINES, LP 99 AR Permanent reassignments of contracted transportation capacity, or “capacity releases,” were negotiated between several existing and project shippers originally included in the October 1998 application. On March 25, 1999, Northern Border Pipeline amended its application to the FERC to reflect these changes. Numerous parties filed to intervene in this proceeding. Several parties protested this application asking that the FERC deny Northern Border Pipeline’s request for rolled-in rate treatment for the new facilities and that Northern Border Pipeline be required to solicit indications of interest from existing shippers for capacity releases that would possibly elim- inate the construction of certain new facilities. “Rolled-in rate treatment” is the combining of the cost of service of the existing system with the cost of service related to the new facilities for purposes of calculating a system- wide transportation charge. On September 15, 1999, the FERC issued a policy statement on certification and pricing of new construction projects. The policy statement indicated a preference for establishing the transportation charge for newly con- structed facilities on a separate, stand-alone basis, also known as “incremental pricing.” This reversed the existing presumption in favor of rolled-in pricing when the impact of the new capacity is not more than a 5% increase to existing rates and results in system-wide benefits. As set forth above, Northern Border Pipeline’s amended application to construct facilities to expand its system was filed based upon rolled-in rate treatment. On Decem- ber 17, 1999, Northern Border Pipeline filed an amendment to the March 25, 1999 certificate application to support rolled-in rate treatment in light of the FERC’s new policy statement, and to modify the proposed facilities. Sev- eral parties renewed their protests of Northern Border Pipeline’s application. On March 16, 2000, the FERC issued an order granting Northern Border Pipeline’s application for a certificate to construct and operate the proposed facilities and finding that Northern Border Pipeline’s project meets the requirements of the new policy state- ment. The FERC approved Northern Border Pipeline’s request for rolled-in rate treatment based upon Northern Border Pipeline’s proposed project costs. Upon acceptance of Northern Border Pipeline’s certificate and com- pletion of acquisition of necessary right-of-way, permits and equipment, construction will proceed. The revised capital expenditures for Project 2000 are estimated to be approximately $94 million. Proposed facilities include approximately 34.4 miles of 30-inch pipeline, new equipment and modifications at three compressor stations resulting in a net increase of 22,500 compressor horsepower, and at one meter station. As a result of the proposed Project 2000 expansion, the Northern Border pipeline system will have the ability to transport 1,484 million cubic feet per day from Ventura to Harper, Iowa, 844 million cubic feet per day from Harper to Manhattan, Illinois, and 544 million cubic feet per day on the new extension from Manhattan to North Hayden, Indiana. Under precedent agreements, five project shippers have agreed to take all of the transportation capacity, subject to the satisfaction of specific conditions with the issuance of the certificate Northern Border Pipeline is negotiating with the project shippers to resolve those conditions and execute transportation contracts. The Pro- ject 2000 shippers are: Bethlehem Steel Corporation, El Paso Energy Marketing Company, Northern Indiana Public Service Company, Peoples Energy Services Corporation and The Peoples Gas Light and Coke Company. Northern Border Pipeline competes with other pipeline companies that transport natural gas from the west- ern Canadian sedimentary basin or that transport natural gas to markets in the midwestern United States. The competitors for the supply of natural gas include six pipelines, one of which is under construction and is described below, and the Canadian domestic users in the western Canadian sedimentary basin region. Northern Border Pipeline’s competitive position is affected by the availability of Canadian natural gas for export, the prices of natural gas in alternative markets, the cost of producing natural gas in Canada, and demand for natural gas in the United States. The Alliance Pipeline, which will transport natural gas from the western Canadian sedimentary basin to the midwestern United States, has received Canadian and United States regulatory approvals and is under con- struction. Its sponsors have announced their plans for the Alliance Pipeline to be in service by late 2000. Upon its completion, Northern Border Pipeline will compete directly with the Alliance Pipeline. Page 6 TC PIPELINES, LP 99 AR TC PipeLines expects that the Alliance Pipeline would transport for its shippers gas containing high-energy liquid hydrocarbons. Additional facilities to extract the natural gas liquids are being constructed near the Alliance Pipeline’s terminus in Chicago to permit Alliance to transport natural gas with the liquids-rich element. As a consequence of the Alliance Pipeline, there may be a large increase in natural gas moving from the western Canadian sedimentary basin to Chicago. There are several additional projects proposed to transport natural gas from the Chicago area to growing eastern markets that would provide access to additional markets for Northern Border Pipeline’s shippers. The proposed projects currently being pursued by third parties and TransCanada are targeting markets in eastern Canada and the northeast United States. These proposed proj- ects are in various stages of regulatory approval. One such project, Vector Pipeline L.P., has commenced construction. Williams has a minority interest (14.6%) in the Alliance Pipeline. TransCanada and other unaffiliated com- panies own and operate pipeline systems, which transport natural gas from the same natural gas reserves in western Canada that supply Northern Border Pipeline’s customers. Natural gas is also produced in the United States and transported by competing pipeline systems to the same destinations as the Northern Border pipeline system. FERC Regulation General 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 jurisdic- tion with respect to virtually all aspects of Northern Border Pipeline’s business, including: transportation of natural gas; rates and charges; (cid:2) construction of new facilities; (cid:2) extension or abandonment of services and facilities; (cid:2) accounts and records; (cid:2) 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 are periodically audited under Section 8. The FERC regulates Northern Border Pipeline’s rates and charges for transportation in interstate com- merce. Natural gas companies may not charge rates exceeding rates judged just and reasonable by the FERC. 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. Page 7 (cid:2) (cid:2) (cid:2) (cid:2) TC PIPELINES, LP 99 AR Cost of service tariff Northern Border Pipeline’s firm transportation shippers contract to pay for a proportionate share of the pipeline system’s cost of service. During any given month, each of these shippers pays a uniform mileage-based charge for the amount of capacity contracted, calculated under a cost of service tariff. The ship- pers are obligated to pay their proportionate share of the cost of service regardless of the amount of natural gas they actually transport. The cost of service tariff is regulated by the FERC and provides an opportunity to recov- er operations and maintenance costs of the Northern Border pipeline system, taxes other than income taxes, interest, depreciation and amortization, an allowance for income taxes and a return on equity approved by the FERC. Northern Border Pipeline may not charge or collect more than its cost of service under its tariff on file with the FERC. Northern Border Pipeline’s investment in its pipeline system is reflected in various accounts referred to collectively as its regulated “rate base.” The cost of service includes a return, with related income taxes, on the rate base. Over time, the rate base declines as a result of, among other things, monthly depreciation and amortization. Northern Border Pipeline’s rate base currently includes, as an additional amount, a one-time ratemaking adjustment to reflect the receipt of a financial incentive on the original construction of the pipeline. Since inception, the rate base adjustment, called an incentive rate of return, has been amortized through monthly additions to the cost of service. The amortization continues until November 2001 when the incentive rate of return will be fully amortized. Northern Border Pipeline bills the cost of service on an estimated basis for a six-month cycle. Any net excess or deficiency between the cost of service determined for that period according to the FERC tariff and the estimated billing is accumulated, including carrying charges. This amount is then either billed to or credited back to the shippers’ accounts. Northern Border Pipeline also provides interruptible transportation service. Interruptible transportation service is transportation in circumstances when surplus capacity is available after satisfying firm service requests. The maximum rate charged to interruptible shippers is calculated from cost of service estimates on the basis of contracted capacity. Except for certain limited situations, Northern Border Pipeline credits all revenue from the interruptible transportation service to the cost of service for the benefit of its firm shippers. In Northern Border Pipeline’s 1995 rate case, it reached a settlement that was filed in a stipulation and agreement. Although it was contested, the settlement was approved by the FERC on August 1, 1997. In the set- tlement, the depreciation rate was established at 2.5% from January 1, 1997 through the in-service date of The Chicago Project and, at that time, it was reduced to 2.0%. Starting in the year 2000, the depreciation rate is sched- uled to increase gradually on an annual basis until it reaches 3.2% in 2002. The settlement also determined several other cost of service parameters. In accordance with the effec- tive tariff, Northern Border Pipeline’s allowed equity rate of return is 12.0%. For at least seven years from the date The Chicago Project was completed, under the terms of the settlement, Northern Border Pipeline may con- tinue to calculate its allowance for income taxes as a part of its cost of service in the manner it has historically used. In addition, a settlement adjustment mechanism of $31 million was implemented, which effectively reduces the allowed return on rate base. Also as agreed to in the settlement, Northern Border Pipeline implemented a project cost containment mechanism for The Chicago Project. The purpose of the project cost containment mechanism was to limit Northern Border Pipeline’s ability to include cost overruns for The Chicago Project in their rate base and to pro- vide incentives for cost underruns. The settlement agreement required the budgeted cost for The Chicago Project, which had been initially filed with the FERC for approximately $839 million, to be adjusted for the effects of inflation and for costs attributable to changes in project scope, as defined in the settlement agreement. In the determination of The Chicago Project cost containment mechanism, the actual cost of the project is compared to the budgeted cost. If there is a cost overrun of $6 million or less, the shippers will bear the actual cost of the project through its inclusion in Northern Border Pipeline’s rate base. If there is a cost savings of $6 million or less, the full budgeted cost will be included in Northern Border Pipeline’s rate base. If there is a cost overrun or cost savings of more than $6 million but less than 5% of the budgeted cost, the $6 million plus 50% of the excess will be included in Northern Border Pipeline’s rate base. All cost overruns exceeding 5% of the budgeted cost are excluded from Northern Border Pipeline’s rate base. Page 8 TC PIPELINES, LP 99 AR Northern Border Pipeline has determined the budgeted cost of The Chicago Project, as adjusted for the effects of inflation and project scope changes, to be $897 million, with the final construction cost estimated to be $894 million. Northern Border Pipeline’s notification to the FERC and its shippers in June 1999 in its final report reflects the conclusion that there will be a $3 million addition to its rate base related to the project cost containment mechanism. The stipulation required the calculation of the project cost containment mechanism to be reviewed by an independent national accounting firm. The independent accountants completed their examination of Northern Border Pipeline’s calculation of the project cost containment mechanism in October 1999. The independent accountants concluded Northern Border Pipeline had complied in all material respects with the requirements of the stipulation related to the project cost containment mechanism. Although TC PipeLines believes that the computations in the final report have been properly completed under the terms of the stipulation, TC PipeLines is unable to predict at this time whether any adjustments will be required. Later developments in the pending rate case, discussed below, may prevent recovery of amounts originally calculated under the project cost containment mechanism, which may result in a non-cash charge to write down Northern Border Pipeline’s balance sheet transmission plant line item, and that charge could be material to Northern Border Pipeline’s operating results. In May 1999, Northern Border Pipeline filed a rate case wherein it proposed, among other things, to increase its allowed equity rate of return to 15.25%. The total annual cost of service increase due to Northern Border Pipeline’s proposed changes is approximately $30 million. A number of Northern Border Pipeline’s shippers and competing pipelines have filed interventions and protests. In June 1999, the FERC issued an order in which the proposed changes were suspended until December 1, 1999, after which they were implemented with subse- quent billings subject to refund. The order set for hearing not only Northern Border Pipeline’s proposed changes but also several issues raised by intervenors including the appropriateness of the cost of service tariff, Northern Border Pipeline’s depreciation schedule and its creditworthiness standards. Several parties, includ- ing Northern Border Pipeline, asked for clarification or rehearing of various aspects of the June order. On August 31, 1999, the FERC issued an order that provided that the issue of rolled-in rate treatment of The Chicago Project may be examined in this proceeding. Also, since the amount of The Chicago Project costs to be included in rate base is governed by the settlement in Northern Border Pipeline’s previous rate case, the FERC consoli- dated that proceeding with this case and directed that the presiding Administrative Law Judge conduct any further proceedings that may be appropriate. Under the order issued August 31, 1999, Northern Border Pipeline filed its June 1999 final report and independent accountants’ report on the calculation of the project cost contain- ment mechanism. While Northern Border Pipeline had not proposed in this case to change the depreciation rates approved in its last rate case, the order also provided that Northern Border Pipeline has the burden of proving that its depreciation rates are just and reasonable. Testimony filed by FERC staff and intervenors has advocated positions on among other things, rate of return on equity ranging from 9.85% to 11.5%, a deprecia- tion straight line rate ranging from 2.34% to 2.5%, a reduction in rate base under the project cost containment mechanism ranging from $31.8 million to $43.1 million, and modification of the cost of service form of tariff to adoption of a stated rate form of tariff with various rate designs. A procedural schedule has been established which calls for the hearing to commence in July 2000. At this time, TC PipeLines can give no assurance as to the outcome on any of these issues. Page 9 TC PIPELINES, LP 99 AR Open access regulation Beginning on April 8, 1992, the FERC issued a series of orders, known as Order 636, which required pipeline companies to unbundle their services and offer sales, transportation, storage, gather- ing and other services separately, to provide all transportation services on a basis that is equal in quality for all shippers and to implement a program to allow firm holders of pipeline capacity to resell or release their capac- ity to other shippers. Since Northern Border Pipeline has been a transportation only pipeline since inception, implementation was easily met. Capacity release provisions were adopted which allowed Northern Border Pipeline’s shippers to release all or part of their capacity either permanently or temporarily. If a shipper tem- porarily releases part or all of its firm capacity to a third party, then that releasing shipper receives credit against amounts due under its firm transportation contract for revenues received by Northern Border Pipeline as a result of the temporary releases. The releasing shipper is not relieved of its obligations under its contract. Shippers on the Northern Border Pipeline system have temporarily released capacity as well as permanently released capacity to other shippers who have agreed to comply with the underlying contractual and regulatory obligations associated with that capacity. Order 636 adopted “right of first refusal” procedures, imposed by the FERC as a condition to the pipeline’s right to abandon long-term transportation service, to govern a shipper’s continuing rights to transportation serv- ices when its contract with the pipeline expires. The FERC’s rules require existing shippers to match any bid of up to five years in order to renew those contracts. As discussed below, the FERC has narrowed the scope of this right. Beginning in 1996, the FERC issued a series of orders, referred to together as Order 587, amending its open access regulations to standardize business practices and procedures governing transactions between inter- state natural gas pipelines, their customers, and others doing business with the pipelines. The intent of Order 587 was to assist shippers that deal with more than one pipeline by establishing standardized business prac- tices and procedures. These business standards, developed by the Gas Industry Standards Board, govern important business practices including shipper supplied service nominations, allocation of available capacity, accounting and invoicing of transportation service, standardized internet business transactions and capacity release. Northern Border Pipeline has implemented the necessary changes to its tariff and internal systems so it can fully comply with the business standards as required by these orders. In 1998, the FERC initiated a number of proceedings to further amend its open access regulations. In a Notice of Proposed Rulemaking issued on July 29, 1998, the FERC proposed changes to its regulations govern- ing short-term transportation services. In the resulting order, Order 637, issued February 9, 2000, the FERC revised the short-term transportation regulations by (i) waiving the maximum rate ceiling in its capacity release reg- ulations until September 30, 2002 for short-term releases of capacity of less than one year; (ii) permitting value-oriented peak/off-peak rates to better allocate revenue responsibility between short-term and long-term markets; (iii) permitting term-differentiated rates to better allocate risks between shippers and the pipelines; (iv) revising the regulations related to scheduling procedures, capacity segmentation, imbalance management and penalties; (v) retaining the right of first refusal and the five-year matching cap but limiting the right to cus- tomers with maximum rate contracts for twelve or more consecutive months of service; and (vi) adopting new reporting requirements to take effect September 1, 2000 that include reporting daily transactional data on all firm and interruptible contracts, daily reporting of scheduled quantities at points or segments, and the posting of corporate and pipeline organizational charts, names and functions. Page 1 0 TC PIPELINES, LP 99 AR On September 15, 1999, the FERC issued a policy statement on certification and pricing of new construction projects. The policy statement announces a preference for pricing new construction incrementally. This reverses the existing presumption in favor of rolled-in pricing when the impact of the new capacity is not more than a 5% increase to existing rates and results in system-wide benefits. Also, in examining new projects, the FERC will evaluate the efforts by the applicant to minimize adverse impact to its existing customers, to competitor pipelines and their captive customers, and to landowners and communities affected by the proposed route of the pipeline. If the public benefits outweigh any residual adverse effects, the FERC will proceed with the envi- ronmental analysis of the project. This policy is to be applied on a case-by-case basis. In an order issued February 9, 2000, the FERC addressed requests for rehearing of the policy statement and generally affirmed the policy statement with a few changes and clarifications. TC PipeLines does not believe that these regulatory initiatives will have a material adverse impact to Northern Border Pipeline’s operations. 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, the Compensation and Liability Act of 1980, the Clean Air Act, the Clean Water Act, the Natural Gas Pipeline Safety Act of 1969, and the Pipeline Safety Act of 1992. Although TC PipeLines believes that Northern Border Pipeline’s operations and facilities comply 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 these costs and liabilities. Northern Border Pipeline has ongoing environmental and safety audit programs. Item 2. Properties TC PipeLines does not hold the right, title or interest in any properties. Northern Border Pipeline holds the right, title and interest in its pipeline system. Northern Border Pipeline owns all of its material equipment and personal property and leases office space in Omaha, Nebraska. With respect to real property, Northern Border Pipeline’s ownership falls into two basic categories: (i) parcels which it owns in fee, including nearly all of the compressor stations, meter stations and pipeline field office sites; and (ii) parcels where its interest derives from leases, easements, rights-of-way, permits or licenses from landown- ers or governmental authorities permitting the use of the land for the construction and operation of its pipeline system. The right to construct and operate the pipeline across some property was obtained 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 its pipeline system, although Northern Border Pipeline may not have the power of eminent domain with respect to Native American tribal lands. Approximately 90 miles of the pipeline is located on fee, allotted and tribal lands within the exterior bound- aries 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. While it is unclear if Northern Border Pipeline has the right of eminent domain over tribal lands, it has the right of eminent domain over allotted lands. In 1980, Northern Border Pipeline entered into a pipeline right-of-way lease with the Fort Peck Tribal Exec- utive 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 the right and privilege to construct and operate the Northern Border pipeline on certain tribal lands, for a term of 15 years, renewable for an additional 15-year term at Northern Border Pipeline’s option without additional rental. Northern Border Pipeline continues to operate this portion of the pipeline located on tribal lands in accordance with its renewal rights. Page 1 1 TC PIPELINES, LP 99 AR 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. This right-of-way, granted by the Bureau of Indian Affairs on March 25, 1981, for and on behalf of individual Indian owners, expired on March 31, 1996. Before the ter- mination date, Northern Border Pipeline undertook efforts to obtain voluntary consents from individual Indian owners for a new right-of-way, and Northern Border Pipeline filed applications with the Bureau of Indian Affairs for new right-of-way grants across those tracts of allotted lands where a sufficient number of consents from the Indian owners had been obtained. During 1999, the Bureau of Indian Affairs issued formal right-of-way grants for those tracts for which sufficient landowners’ consents were obtained. Also, a condemnation action was filed in Federal Court in the District of Montana concerning those remaining tracts of allotted land for which a major- ity of consents were not received on a timely basis. An order was entered on March 18, 1999 condemning permanent easements in Northern Border Pipeline’s favor on the tracts in question. Litigation Item 3. TC PipeLines is not currently a party to any legal proceedings. In addition to the condemnation actions and matters related to FERC regulation, various legal actions that have arisen in the ordinary course of business are pending with respect to Northern Border Pipeline. In TC PipeLines’ opinion, none of these proceedings would reasonably be expected to have a material adverse impact on TC PipeLines’ financial position, results of operations or cash flows. 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 1999. Page 1 2 TC PIPELINES, LP 99 AR PART II Item 5. Market for the Registrant’s Common Units and Related Security Holder Matters The common units, representing limited partner interests in the Partnership, were issued pursuant to an ini- tial public offering at a price of $20.50 per common unit. The common units are quoted on the Nasdaq National Market and trade under the symbol TCLPZ. The common units began trading on May 28, 1999. The following table sets forth, for the periods indicated, the high and low sale prices per common unit, as reported by the Nasdaq National Market, and the amount of cash distributions per common unit paid with respect to the corresponding periods. 1999 Second Quarter (1) Third Quarter Fourth Quarter (1) The Partnership commenced operations on May 28, 1999. Price Range Cash Distributions High Low Paid per Unit $21.000 $20.625 $18.500 $20.375 $17.625 $13.875 $0.1681 $0.4500 $0.4500 As of March 10, 2000, there were approximately 55 record holders of common units and approximately 5,351 beneficial owners of the common units, including common units held in street name. The Partnership currently has 14,690,694 common units outstanding, of which 11,890,694 are held by the public and 2,800,000 are held by an affiliate of the general partner. The Partnership also has 2,809,306 subor- dinated 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 inter- est 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 will make quarterly distributions to its partners (including holders of subordi- nated units), comprising 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 such quarter less the amount of cash reserves that is necessary or appropriate in the reasonable discretion of the general part- ner to (i) provide for the proper conduct of the business of the Partnership (including reserves for future capital expenditures and for anticipated credit needs), (ii) comply with applicable law or any Partnership debt instru- ment or agreement, or (iii) provide funds for 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 arrear- ages in the 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 (prorated for the initial partial fiscal quarter commencing May 28, 1999, the closing date of the initial public offering, through June 30, 1999). The subordination period will generally not 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 of Available Cash. Under certain circumstances, up to 66.7% of the subordinated units may convert into com- mon units prior to the expiration of the subordination period. The general partner is entitled to incentive distributions if the amount distributed with respect to any quar- ter exceeds $0.45 per common unit ($1.80 annualized). Under the incentive distribution provisions, the general partner is entitled to 15% of amounts distributed in excess of $0.45 per common unit, 25% of amounts distrib- uted in excess of $0.5275 per common unit, and 50% of amounts distributed in excess of $0.69 per common unit. The amounts that trigger incentive distributions at various levels are subject to adjustment in certain events, as described in the partnership agreement. In 1999, the Partnership made cash distributions to the limited partners and the general partner which amounted to $11.0 million, including a prorated minimum quarterly distribution for the initial period of May 28, 1999 to June 30, 1999, and the minimum quarterly distribution for the three months ending September 30, 1999. On February 14, 2000, the Partnership paid a cash distribution of $8.0 million to the limited partners and the general partner, representing the minimum quarterly distribution for the three months ending December 31, 1999. Page 1 3 TC PIPELINES, LP 99 AR 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 (thousands of dollars, except per unit amount) Income Data: Equity income from investment in Northern Border Pipeline General and administrative expenses Net income Basic and fully diluted net income per unit Units outstanding (thousands) Cash Flow Data: Net cash provided by operating activities Distributions paid Balance Sheet Data (at end of period): Investment in Northern Border Pipeline Total assets Partners’ capital (1) Commencement of operations May 28 (1) – December 31, 1999 20,923 699 20,224 $1.13 17,500 11,832 11,037 250,450 251,245 250,838 Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations The following discussions of the financial condition and results of operations for the Partnership and Northern Border Pipeline should be read in conjunction with the financial statements and notes thereto of the Partnership and Northern Border Pipeline included elsewhere in this report. For more detailed information regarding the basis of presentation for the following financial information, see the notes to the financial state- ments of the Partnership and Northern Border Pipeline. All amounts are stated in United States dollars. Results of Operations of TC PipeLines, LP Currently, the only material asset of the Partnership is its 30% general partner interest in Northern Border Pipeline. TC PipeLines accounts for its interest in Northern Border Pipeline using the equity method of accounting. The Partnership’s initial investment in Northern Border Pipeline was recorded at $241.7 million, the combined carrying values of the investment in Northern Border Pipeline as reflected in the accounts of the predecessor companies as at May 28, 1999. This amount equated to 30% of Northern Border Pipeline’s part- ners’ capital as at May 28, 1999. Since the general partner interest in Northern Border Pipeline is currently the Partnership’s only source 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. Page 1 4 TC PIPELINES, LP 99 AR Period May 28 to December 31, 1999 TC PipeLines recorded $20.9 million of equity income from Northern Border Pipeline for the period May 28 to December 31, 1999 and incurred general and administrative expenses of $0.7 million, resulting in net income of $20.2 million for the same period. Liquidity and Capital Resources of TC PipeLines, LP Cash Distribution Policy of TC PipeLines, LP During the subordination period, which generally cannot end before June 30, 2004, the Partnership will make distributions of Available Cash as defined in the partnership agreement in the following manner: (cid:2) First, 98% to the common units, pro rata, and 2% to the general partner, until there has been distributed for each outstanding common unit an amount equal to the minimum quarterly distribution for that quarter; (cid:2) Second, 98% to the common units, pro rata, and 2% to the general partner, until there has been 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; (cid:2) Third, 98% to the subordinated units, pro rata, and 2% to the general partner, until there has been distributed for each outstanding subordinated unit an amount equal to the minimum quarterly distribution for that quarter; and (cid:2) Thereafter, in a manner whereby the general partner has rights (referred to as incentive distribution rights) to receive increasing percentages of excess quarterly distributions over specified distribution thresholds. Period May 28 to December 31, 1999 The May 24, 1999 initial public offering prospectus states that the initial cash distribution of the Partnership would be adjusted to reflect the actual number of days from the closing of the offering to June 30, 1999. On August 12, 1999, TC PipeLines paid a cash distribution of $0.1681 per unit for the period May 28 to June 30, 1999, to unitholders of record as of July 30, 1999. This cash distribution of $3.0 million was paid out in the fol- lowing manner: $2.5 million to common unitholders and $0.5 million to the general partner as holder of the subordinated units and in respect of its 2% general partner interest. The Partnership funded this cash distribution with its share of Northern Border Pipeline’s second quar- ter cash distribution. On November 12, 1999, TC PipeLines paid a cash distribution $0.45 per unit for the three months ended September 30, 1999, to unitholders of record as of October 29, 1999. This was the Partnership’s first distribu- tion for a full quarter. This cash distribution, totaling $8.0 million, was paid out in the following manner: $6.6 million to common unitholders, $1.2 million to the general partner as holder of the subordinated units, and $0.2 million to the general partner in respect of its 2% general partner interest. The Partnership funded this cash distribution with its share of Northern Border Pipeline’s third quarter cash distribution. On January 19, 2000, the Board of Directors of the general partner declared a cash distribution of $0.45 per unit for the three months ended December 31, 1999. This distribution was paid on February 14, 2000 to unitholders of record as of January 31, 2000. This cash distribution amounted to $8.0 million, which was paid out in the following manner: $6.6 million to common unitholders, $1.2 million to the general partner as holder of the subordinated units, and $0.2 million to the general partner in respect of its 2% general partner interest. The Partnership funded this cash distribution with its share of Northern Border Pipeline’s fourth quarter cash distribution. Page 1 5 TC PIPELINES, LP 99 AR Northern Border Pipeline Cash Distribution Policy The payment of distributions to the general partners of Northern Border Pipeline is restricted under the terms of its 1997 Pipeline Credit Agreement and the 1992 Note Purchase Agreement. See Note 4, “Credit Facilities and Long-Term Debt,” in the Notes to Financial Statements of Northern Border Pipeline referred to in Item 8. “Finan- cial Statements and Supplementary Data.” Under the most restrictive covenants, approximately $132 million of Northern Border Pipeline’s partners’ capital could be distributed as of December 31, 1999. In accordance with Northern Border Pipeline’s cash distribution policy, a distribution was made to its gen- eral partners on August 3, 1999, for the second quarter ending June 30, 1999. As stated in the amended general partnership agreement for Northern Border Pipeline, the predecessor companies received their proportionate share of this cash distribution for the period April 1 to May 27, 1999. TC PipeLines received $3.3 million, rep- resenting 30% of Northern Border Pipeline’s cash distribution for the period May 28 to June 30, 1999. In accordance with Northern Border Pipeline’s cash distribution policy, a distribution for the third quar- ter ending September 30, 1999 was paid on November 2, 1999. TC PipeLines received $8.8 million, representing 30% of that cash distribution. In accordance with Northern Border Pipeline’s cash distribution policy, a distribution for the fourth quar- ter ending December 31, 1999 was paid on February 2, 2000. TC PipeLines received $9.3 million, representing 30% of that cash distribution. Credit Facility and Short-Term Borrowings On May 28, 1999, the Partnership entered into a $40 million unsecured two-year revolving credit facility with TransCanada PipeLine USA Ltd., an affiliate of the general partner. The credit facility bears interest at a London Interbank Offered Rate plus 1.25%. The purpose of the revolving credit facility is to provide borrowings to fund capital expenditures, to fund capital contributions to Northern Border Pipeline and for working capital and other general business purposes, including funding cash distributions to partners, if necessary. At December 31, 1999, the Partnership had no amount outstanding under this credit facility. On June 28, 1999, the Partnership received a short-term, non-interest bearing working capital advance in the amount of $0.3 million from its general partner. The Partnership repaid this advance in December 1999. Capital Requirements The Partnership does not expect to have any capital requirements with respect to its investment in Northern Border Pipeline in 2000. To the extent TC PipeLines makes acquisitions in 2000, TC PipeLines expects to finance these acquisitions with debt and/or equity. Results of Operations of Northern Border Pipeline Year Ended December 31, 1999 Compared With the Year Ended December 31, 1998 Operating revenues, net increased $101.7 million (52%) for the year ended December 31, 1999, as compared to the same period in 1998, due primarily to additional revenue from the operation of The Chicago Project facil- ities. Additional receipt capacity of 700 million cubic feet per day, a 42% increase, and new firm transportation agreements with 27 shippers resulted from The Chicago Project. Northern Border Pipeline’s FERC tariff pro- vides an opportunity to recover operations and maintenance costs of the pipeline, taxes other than income taxes, interest, depreciation and amortization, an allowance for income taxes and a regulated return on equity. Northern Border Pipeline is generally allowed an opportunity to collect from its shippers a return on unrecovered rate base as well as recover that rate base through depreciation and amortization. The return amount Northern Border Pipeline collects from its shippers declines as the rate base is recovered. The Chicago Project increased Northern Border Pipeline’s rate base, which increased return for the year ended December 31, 1999. Also reflected in the increase in 1999 revenues are recoveries of increased pipeline operating expenses due to the new facilities. Page 1 6 TC PIPELINES, LP 99 AR Operations and maintenance expense increased $9.3 million (31%) for the year ended December 31, 1999, from the same period in 1998, due primarily to operations and maintenance expenses for The Chicago Project facilities and increased employee payroll and benefit expenses. Depreciation and amortization expense increased $10.9 million (27%) for the year ended December 31, 1999, as compared to the same period in 1998, due primarily to The Chicago Project facilities placed into serv- ice. The impact of the additional facilities on depreciation and amortization expense was partially offset by a decrease in the depreciation rate applied to transmission plant from 2.5% to 2.0%. Northern Border Pipeline agreed to reduce the depreciation rate at the time The Chicago Project was placed into service as part of a pre- vious rate case settlement. Taxes other than income increased $8.9 million (42%) for the year ended December 31, 1999, as com- pared to the same period in 1998, due primarily to ad valorem taxes attributable to the facilities placed into service for The Chicago Project. For the year ended December 31, 1998, Northern Border Pipeline recorded a regulatory credit of $8.9 mil- lion. During the construction of The Chicago Project, Northern Border Pipeline placed new facilities into service in advance of the December 1998 project in-service date to maintain gas flow at firm contracted capacity while existing facilities were being modified. The regulatory credit deferred the cost of service of these new facili- ties. Northern Border Pipeline is allowed to recover from its shippers the regulatory asset that resulted from the cost of service deferral over a ten-year period commencing with the in-service date of The Chicago Project. Interest expense, net increased $34.7 million (136%) for the year ended December 31, 1999, as compared to the same period in 1998, due to an increase in interest expense of $15.8 million and a decrease in interest expense capitalized of $18.9 million. Interest expense increased due primarily to an increase in Northern Border Pipeline’s average debt outstanding, reflecting amounts borrowed to finance a portion of the capital expendi- tures for The Chicago Project. The impact of the increased borrowings on interest expense was partially offset by a decrease in average interest rates between 1998 and 1999. The decrease in interest expense capitalized is due to the completion of construction of The Chicago Project in December 1998. Other income decreased $10.7 million (89%) for the year ended December 31, 1999, as compared to the same period in 1998, primarily due to a decrease in the allowance for equity funds used during construction. The decrease in the allowance for equity funds used during construction is due to the completion of construc- tion of The Chicago Project in December 1998. Year ended December 31, 1998 Compared With the Year ended December 31, 1997 Operating revenues, net increased $10.6 million (6%) for the year ended December 31, 1998, as compared to the results for 1997 due primarily to returns on higher levels of invested equity. Depreciation and amortization expense increased $2.3 million (6%) for the year ended December 31, 1998, as compared to 1997, primarily due to facilities that were placed in service in 1998. For the year ended December 31, 1998, Northern Border Pipeline recorded a regulatory credit of approx- imately $8.9 million. During the construction of The Chicago Project, Northern Border Pipeline placed certain new facilities into service in advance of the December 1998 project in-service date to maintain gas flow at firm contracted capacity while existing facilities were being modified. The regulatory credit results in deferral of the cost of service of these new facilities. Northern Border Pipeline is allowed to recover from its shippers the reg- ulatory asset that resulted from the cost of service deferral over a ten-year period commencing with the in-service date of The Chicago Project. Interest expense, net decreased $3.8 million (13%) for the year ended December 31, 1998, as compared to the results for 1997, due to an increase in interest expense of $11.5 million offset by an increase in the amount of interest expense capitalized of $15.3 million. The increase in interest expense was due primarily to an increase in average debt outstanding, reflecting amounts borrowed to finance a portion of the capital expenditures for The Chicago Project. The increase in interest expense capitalized primarily relates to expenditures for The Chicago Project. Page 1 7 TC PIPELINES, LP 99 AR Other income increased $6.4 million (112%) for the year ended December 31, 1998, as compared to 1997. The increase was primarily due to an $8.8 million increase in the allowance for equity funds used during con- struction. The increase in the allowance for equity funds used during construction primarily relates to expenditures for The Chicago Project. Other income for 1997 included $4.8 million received for vacating certain microwave frequency bands. The amounts received were a one-time occurrence and Northern Border Pipeline does not expect to receive any material payments for vacating microwave frequency bands in the future. Liquidity and Capital Resources of Northern Border Pipeline General In August 1999, Northern Border Pipeline completed a private offering of $200 million of 7.75% Senior Notes due 2009 which notes were subsequently exchanged in a registered offering for notes with substantially iden- tical terms (Senior Notes). The indenture under which the Senior Notes were issued does not limit the amount of unsecured debt Northern Border Pipeline may incur, but does contain material financial covenants, includ- ing restrictions on incurence of secured indebtedness. The proceeds from the Senior Notes were used to reduce indebtedness under a June 1997 credit agreement. In June 1997, Northern Border Pipeline entered into a credit agreement (Pipeline Credit Agreement) with certain financial institutions to borrow up to an aggregate principal amount of $750 million. The Pipeline Credit Agreement is comprised of a $200 million five-year revolving credit facility maturing in June 2002 to be used for the retirement of Northern Border Pipeline’s prior credit facilities and for general business purposes, and a $550 million three-year revolving credit facility to be used for the construction of The Chicago Project. Effec- tive March 31, 1999, the three-year revolving credit facility converted to a term loan maturing in June 2002. At December 31, 1999, $439.0 million was outstanding under the term loan. No funds were outstanding under the five-year revolving credit facility. At December 31, 1999, Northern Border Pipeline also had outstanding $250 million of senior notes issued in a private placement under a July 1992 note purchase agreement. The note purchase agreement provides for four series of notes, Series A through D, maturing between August 2000 and August 2003. The Series A Notes with a principal amount of $66 million mature in August 2000. Northern Border Pipeline anticipates borrowing on the Pipeline Credit Agreement to repay the Series A Notes. Short-term liquidity needs will be met by internal sources and through the revolving credit facility dis- cussed above. 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 $67.7 million to $171.5 million for the year ended Decem- ber 31, 1999, as compared to the same period in 1998, primarily attributed to The Chicago Project facilities placed into service in late December 1998. Cash flows provided by operating activities decreased $11.6 million to $103.8 million for the year ended December 31, 1998 as compared to 1997 primarily related to a $25.4 million reduction for changes in accounts payable, exclusive of accruals for The Chicago Project. In addition, for the year ended December 31, 1998, there was a $7.4 million reduction for changes in over/under recovered cost of service. These reductions were par- tially offset by the effect of the refund activity of 1997 discussed below. The over/under recovered cost of service is the difference between estimated billings to Northern Border Pipeline’s shippers, which are determined on a six-month cycle, and the actual cost of service determined in accordance with the FERC tariff. The difference is either billed to or credited back to the shippers’ accounts. Cash flows provided by operating activities for the year ended December 31, 1997 reflected a $52.6 million refund in October 1997 in accordance with the stipu- lation approved by the FERC to settle the November 1995 rate case. During 1997, Northern Border Pipeline collected $40.4 million subject to refund as a result of the rate case. Page 1 8 TC PIPELINES, LP 99 AR Cash Flows From Investing Activities Capital expenditures of $101.7 million for the year ended December 31, 1999 include $85.5 million for The Chicago Project and $2.5 million for Project 2000. The remaining capital expenditures for 1999 are primarily related to renewals and replacements of existing facilities. For the same period in 1998, capital expenditures were $651.2 million, which included $638.7 million for The Chicago Project and $11.7 million for linepack gas purchased from Northern Border Pipeline’s shippers. Linepack gas is the natural gas required to fill the pipeline system. The cost of the linepack gas is included in Northern Border Pipeline’s rate base. The remaining capital expen- ditures for 1998 are primarily related to renewals and replacements of existing facilities. Total capital expenditures for 2000 are estimated to be $25 million, including $10 million for Project 2000. The remaining capital expenditures planned for 2000 are for renewals and replacements of existing facilities. Northern Border Pipeline currently anticipates funding its 2000 capital expenditures primarily by using internal sources. Cash Flows From Financing Activities Cash flows used in financing activities were $89.9 million for the year ended December 31, 1999, as compared to cash flows provided by financing activities of $564.8 million for the same period in 1998. During the year ended December 31, 1998, Northern Border Pipeline’s general partners contributed $223.0 million to finance a portion of the capital expenditures for The Chicago Project. Distributions paid to the general partners increased $66.0 million to $127.2 million for the year ended December 31, 1999 as compared to the same period of 1998. The distributions for 1999 were impacted by increased earnings and included distributions for 13 months’ activ- ity, rather than 12 months, resulting from a change in the timing of distribution payments. The distributions for 1998 were impacted by a rate case refund during the fourth quarter of 1997 and by the change in the timing of distribution payments. Financing activities for the year ended December 31, 1999 included $197.4 million from the issuance of the Senior Notes, net of associated debt discounts and issuance costs, and $12.9 million from the termination of interest rate forward agreements. Advances under the Pipeline Credit Agreement, which were primarily used to finance a portion of the capital expenditures for The Chicago Project, were $90 million for the year ended December 31, 1999 as compared to advances of $403 million for the same period in 1998. Pay- ments on Northern Border Pipeline’s credit agreement were $263 million for the year ended December 31, 1999. Cash flows provided by financing activities increased $512.4 million to $564.8 million for the year ended December 31, 1998, as compared to the same period in 1997. Financing activities for 1998 include borrowings under the Pipeline Credit Agreement of $403.0 million and were used primarily for capital expenditures related to The Chicago Project. Contributions received from Northern Border Pipeline’s general partners increased $142.0 million to $223.0 million and were used to fund a portion of the capital expenditures. Distributions to the general partners decreased $38.1 million to $61.2 million primarily due to a change in the timing of distri- bution payments. Distributions for 1998 were also reduced due to the impact of the rate case refund during the fourth quarter of 1997. Year 2000 TC PipeLines and the general partner are not materially dependent upon computer systems to conduct their businesses. Accordingly, the Year 2000 issue has not had a material adverse effect on the Partnership’s busi- ness, financial condition or results of operations. Management does not anticipate any future interruptions to its operations, except as to any material adverse effect that may result from any Year 2000 issue affecting Northern Border Pipeline as discussed below. Similar to most businesses, Northern Border Pipeline relies heavily on information systems technology to operate in an efficient and effective manner. Much of this technology takes the form of computers and associ- ated hardware for data processing and analysis. In addition, a great deal of information processing technology is embedded in microelectronic devices. A Year 2000 issue was anticipated which could result from the use in computer hardware and software of two digits rather than four digits to define the applicable year. As a result, computer programs that have date-sensitive software may recognize a date using “00” as the year 1900 rather than the year 2000. Page 1 9 TC PIPELINES, LP 99 AR Before January 1, 2000, Northern Border Pipeline identified, inventoried and assessed computer software, hardware, embedded chips and third-party interfaces. Where necessary, remediation and replacements were identified and implemented. All of Northern Border Pipeline’s mission-critical and non-mission-critical systems have operated to date, with no interruption in business operations. The Year 2000 issue has resulted in no mate- rial costs. Northern Border Pipeline will remain vigilant for Year 2000 related issues that may yet occur, due to hidden defects in Northern Border Pipeline’s computer hardware or software or at mission-critical external enti- ties. TC PipeLines anticipates that the Year 2000 issue will not create material disruptions to Northern Border Pipeline’s mission-critical facilities or operations, and will not result in material costs for TC PipeLines. New Accounting Pronouncements In June 1998, the Financial Accounting Standards Board (FASB) issued Statement of Financial Accounting Stan- dards (SFAS) No. 133, “Accounting for Derivative Instruments and Hedging Activities.” In June 1999, the FASB issued SFAS No. 137 which deferred the effective date of SFAS No. 133 to fiscal years beginning after June 15, 2000. See Note 9 to the Financial Statements of TC PipeLines. Item 7a. Quantitative and Qualitative Disclosures About Market Risk For the period May 28 to December 31, 1999, TC PipeLines has not entered into any forms of financial instru- ments that are market risk sensitive, either for trading or non-trading purposes. Therefore, TC PipeLines is not exposed to any interest rate risk, market price risk, or foreign exchange risk, except to the extent that its 30% general partner interest in Northern Border Pipeline exposes the Partnership to the market risks disclosed below. Northern Border Pipeline’s interest rate exposure results from variable rate borrowings from commer- cial 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 swap agreements to increase the portion of fixed rate debt. As of December 31, 1999, approximately 55% of Northern Border Pipeline’s debt portfolio, after considering the effect of the interest rate swap agreements, is in fixed rate debt. If interest rates average one percentage point more than rates in effect as of December 31, 1999, annual interest expense would increase by approximately $4.0 million. This amount has been determined by consid- ering the impact of the hypothetical interest rates on variable rate borrowings and interest rate swap agreements outstanding as of December 31, 1999. Northern Border Pipeline’s tariff provides the pipeline an opportunity to recover, among other items, interest expense. TC PipeLines believes that under Northern Border Pipeline’s cur- rent tariff it would be allowed to recover any increase in interest expense, and that there would not be any material impact on its annual earnings and cash flow from a hypothetical one percentage point increase in interest rates. Financial Statements and Supplementary Data Item 8. 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. Page 2 0 TC PIPELINES, LP 99 AR PART III Item 10. Directors and Officers of the General Partner TC PipeLines is a limited partnership and has no officers, directors or employees. Set forth below is certain infor- mation 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 Garry P. Mihaichuk Russell K. Girling Paul F. MacGregor Donald A. Marchand Gary G. Penrose Karyn A. Brooks Theresa Jang Rhondda E.S. Grant Robert A. Helman Jack F. Jenkins-Stark David L. Marshall Walentin Mirosh Ronald J. Turner Age as of Position with General Partner December 31, 1999 as of December 31, 1999 46 37 42 37 57 45 35 42 65 48 60 54 46 President, Chief Executive Officer and Director Chief Financial Officer and Director Vice-President, Business Development Vice-President and Treasurer Vice-President, Taxation Vice-President Controller Secretary Independent Director Independent Director Independent Director Director Director Mr. Mihaichuk was appointed a director of the general partner in August 1999 and in October 1999 also became the President and Chief Executive Officer of the general partner. Mr. Mihaichuk’s principal occupation is Senior Vice-President and President, Transmission of TransCanada and he has held that position since August 1999. Mr. Mihaichuk was Senior Vice-President and President, International of TransCanada from July 1996 to August 1999. Prior to July 1996, he was Senior Vice-President of Amoco Corporation (oil and gas) and Chair- man of Amoco Orient Company. Mr. Mihaichuk has been a member of Northern Border Pipeline’s management committee since September 1999. Mr. Mihaichuk is also a director of NOVA Gas Transmission Ltd., an affiliate of the general partner. Mr. Girling was appointed Chief Financial Officer and a director of the general partner in April 1999. Mr. Girling’s principal occupation is Senior Vice-President and Chief Financial Officer of TransCanada and he has held that position since September 1999. Prior to that time and since January 1999, he was Vice-President, Finance of TransCanada. Prior to January 1999, he held various management positions with the Power business of TransCanada. Mr. Girling is a director of the general partners of TransCanada Power, L.P. and TransCanada Gas Processing, L.P., both of which are Canadian master limited partnerships. Mr. Girling is also a director of NOVA Gas Transmission. Mr. MacGregor was appointed Vice-President, Business Development of the general partner in April 1999. Mr. MacGregor’s principal occupation is Vice-President of North American Pipeline Ventures of TransCanada’s Transmission division and he has held that position since September 1999. Prior to that time and since July 1998, Mr. MacGregor was Vice-President, North American Pipeline Investments for TransCanada’s Transmission divi- sion. Prior to that time and since 1997, Mr. MacGregor was a Vice-President of Alberta Natural Gas Company Ltd. (ANG) (energy services), a former subsidiary of TransCanada which has since amalgamated with TransCanada. In 1996, Mr. MacGregor was Director of Field Operations of TransCanada. From 1993 to 1995, Mr. MacGregor was Regional Manager, Field Operations for TransCanada in North Bay, Ontario. Mr. Marchand was appointed Vice-President and Treasurer of the general partner in October 1999. Mr. Marc- hand’s principal occupation is Vice-President, Finance and Treasurer of TransCanada and he has held that position since September 1999. Prior to that time and since January 1998 he was Director, Finance of TransCanada. Prior to that time and since August 1996 he was Manager, Finance and prior to August 1996 he was Assistant Man- ager, Finance of TransCanada. Prior to July 1995 he was Senior Financial Analyst, Finance of TransCanada. Mr. Penrose was appointed Vice-President, Taxation of the general partner in April 1999. Mr. Penrose’s principal occupation is Vice-President, Taxation of TransCanada and he has held that position since February 1997. Prior to that time, Mr. Penrose was General Manager, Taxation for TransCanada. Page 2 1 TC PIPELINES, LP 99 AR Ms. Brooks was appointed Vice-President of the general partner in April 1999. Ms. Brooks’ principal occu- pation is Vice-President, Financial Services of TransCanada’s Transmission division and she has held that position since September 1999. Prior to that time and since February 1997, she was Vice-President and Controller of TransCanada. Prior to February 1997, Ms. Brooks was Director of Corporate Accounting and Budgets. Prior to January 1995, she was Manager, Financial Accounting at TransCanada. Ms. Jang was appointed Controller of the general partner in June 1999. Prior to that time and since May 1997, Ms. Jang was a Specialist in TransCanada’s Financial Reporting department. Prior to that time and since February 1996, Ms. Jang was Supervisor, Corporate Accounting of TransCanada. Prior to that time, Ms. Jang was Senior Financial Analyst, 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 and she has held that position since September 1999. Prior to that time and since July 1998, Ms. Grant was Corporate Secretary and Associate General Counsel, Cor- porate of TransCanada. Prior to that time and since October 1994, 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 is and has been a partner of Mayer, Brown & Platt (law firm) since 1967. Mr. Helman also serves as a director on the boards of Brambles USA, Inc., Dreyers Grand Ice Cream, Inc., The Chicago Stock Exchange and Northern Trust Corpo- ration and Northern Trust Company. Mr. Marshall was appointed a director of the general partner in July 1999. Mr. Marshall was Vice-Chair- man of The Pittston Company (diversified energy, security and transportation services firm) from 1994 to 1998 and was the Chief Financial Officer and a director of The Pittston Company from 1983 to 1994. Mr. Marshall also serves as a director on the board of M&S Austin One, LLC. Mr. Jenkins-Stark was appointed a director of the general partner in July 1999. Mr. Jenkins-Stark is cur- rently Senior Vice-President and Chief Financial Officer of GATX Capital (commercial finance), a position he has held since December 1998. Prior to that time and since September 1998 he was Senior Vice-President, Finance of GATX Capital. Prior to that time and since May 1987, Mr. Jenkins-Stark was Senior Vice-President of PG&E Corp. (diversified energy) and President and Chief Executive Officer of PG&E Gas Transmission Company (natural gas transmission). Mr. Mirosh has been a director of the general partner since October 1999. Mr. Mirosh is currently Senior Vice-President, Corporate Strategy and Business Development of TransCanada, a position he has held since July 1998. Prior to that time and since April 1996, Mr. Mirosh was President of ANG and prior to that time, Mr. Mirosh was Executive Vice-President, Operations of ANG. Mr. Mirosh is a director of the general partner of TransCanada Gas Processing, L.P. and a director of NOVA Gas Transmission. Mr. Turner has been a director of the general partner since April 1999. Currently, Mr. Turner is Senior Vice-President and President, International of TransCanada, a position he has held since September 1999. Prior to that time and since July 1998, Mr. Turner was Senior Vice-President and President, Alberta Gas Transmis- sion of TransCanada. Prior to that time, Mr. Turner held various management positions with NOVA Chemicals Ltd. (commodity chemicals) and NOVA Gas Transmission (natural gas transmission). Mr. Turner is also a direc- tor of NOVA Gas Transmission. Item 11. Executive Compensation The following table summarizes certain information regarding the annual salaries of Messrs. Garry P. Mihaichuk and John W. Carruthers for the year ended December 31, 1999 by TransCanada, parent company of the gen- eral partner. Mr. Mihaichuk is an employee of TransCanada and was appointed President and Chief Executive Officer of the general partner in October 1999. Mr. Carruthers was an employee of TransCanada until Decem- ber 1999 and served as President and Chief Executive Officer of the general partner from April 1999 to October 1999. Through the general partner, TC PipeLines reimburses TransCanada for the services contributed by Messrs. Mihaichuk and Carruthers to its operations. Although TC PipeLines and the general partner were formed in December 1998, the general partner began compensating its directors and officers on May 28, 1999. Page 2 2 TC PIPELINES, LP 99 AR Year 1999 1999 Annual TransCanada Salary Canadian Dollars United States Dollar Equivalent (1) 345,839 178,547 232,763 120,169 Name and Position Garry P. Mihaichuk President and Chief Executive Officer John W. Carruthers Former President and Chief Executive Officer (1) United States dollar equivalents have been calculated using the 1999 average noon spot exchange rate of 0.6730 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 com- mittee of the board of which he or she is Chair. These fees are paid by the Partnership on a semi-annual basis. For the year ended December 31, 1999, the independent directors were paid half of these annual fees as they were appointed in July 1999. 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 the committee of the Board. The independ- ent 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 or her annual board retainer that is payable on the applicable date in common units of the Partnership. The common units are purchased on the open market and the number of common units purchased under the directors’ com- pensation plan is based on the trading price of common units on the day preceding the applicable payment date. Item 12. Security Ownership of Certain Beneficial Owners and Management The following table sets forth the beneficial ownership of the voting securities of the Partnership as of March 21, 2000 by the general partner’s directors, officers and certain beneficial owners. Officers of the general part- ner 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 benefi- cially more than 5% of the voting securities of the Partnership. Name and Business Address TC PipeLines GP, Inc. (2)(3) 111 5th Avenue SW, Calgary, Alberta T2P 3Y6 TransCan Northern Ltd. (2) 111 5th Avenue SW, Calgary, Alberta T2P 3Y6 Robert A. Helman 190 S. LaSalle Street, Chicago, Illinois 60603 Jack F. Jenkins-Stark Suite 2200, 4 Embarcadero Center, San Francisco, California 94111 David L. Marshall 111 5th Avenue SW, Calgary, Alberta T2P 3Y6 Amount and Nature of Beneficial Amount and Nature of Beneficial Percentage of Interest Ownership of Common Units Ownership of Subordinated Units for all Units(1) Number of Units Percent of Class Number of Units Percent of Class 2,800,000 19.1 2,168 2,168 4,168 * * * 2,809,306 100 16.1 16.0 * * * (1) A total of 17,500,000 common and subordinated units are issued and outstanding. (2) TC PipeLines GP, Inc. and TransCan Northern Ltd. are wholly-owned subsidiaries of TransCanada. (3) TC PipeLines GP, Inc. owns an aggregate 2% general partner interest of TC PipeLines and its subsidiary on a combined basis. * Less than 1%. Item 13. Certain Relationships and Related Transactions An affiliate of the general partner owns 2,800,000 common units and the general partner owns 2,809,306 sub- ordinated 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. The general partner is accountable to TC PipeLines and the unitholders as a fiduciary. Neither the 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 part- ners and the partnership. Page 2 3 TC PIPELINES, LP 99 AR In order to induce the general partner to manage the business of TC PipeLines, the partnership agree- ment 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. (cid:2) 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. (cid:2) 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. (cid:2) 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. Also, the general partner and its affiliates have no obligation to present business opportunities to TC PipeLines. (cid:2) 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, affili- ates, partners, members, agents and trustees, to the fullest extent permitted by law, against liabilities, costs and expenses incurred by the general partner or these other persons. This indemnification is required if the gen- eral partner or these persons 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. Indemnifi- cation is required for criminal proceedings if the general partner or these other persons had no reasonable cause to believe their conduct was unlawful. The Partnership does not directly employ any persons to manage or operate its business. These functions are provided by the general partner. The general partner does not receive a management fee or other com- pensation 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 ben- efits, 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 $0.2 million for the period from May 28, 1999 to December 31, 1999. Such costs include, (i) personnel costs (such as salaries and employee benefits) of the personnel providing such services, (ii) overhead costs (such as office space and equipment) and (iii) out-of-pocket expenses related to the provision of such services. On May 28, 1999, the Partnership entered into a $40 million unsecured two-year revolving credit facility with TransCanada PipeLine USA Ltd., an affiliate of the general partner. The credit facility bears interest at a London Interbank Offered Rate plus 1.25%. The purpose of the revolving credit facility is to provide borrow- ings to fund capital expenditures, to fund capital contributions to Northern Border Pipeline and for working capital and other general business purposes, including funding cash distributions to partners, if necessary. At Decem- ber 31, 1999, the Partnership had no amount outstanding under this credit facility. On June 28, 1999, the Partnership received a short-term, non-interest bearing working capital advance in the amount of $0.3 million from its general partner. The Partnership repaid this advance in December 1999. As of February 1, 2000, TransCanada is one of Northern Border Pipeline’s transportation customers and is currently obligated to pay 10.8% of Northern Border Pipeline’s annual cost of service pursuant to a trans- portation contract wherein TransCanada Gas Services Inc. acts as the agent of its parent, TransCanada. The terms of this transaction are no less favorable to Northern Border Pipeline than those which Northern Border Pipeline would expect to negotiate with unrelated third parties on an arm’s length basis. Page 2 4 TC PIPELINES, LP 99 AR PART IV Item 14. 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. (b) The Registrant filed the following reports on Form 8-K during the fourth quarter of 1999: A report on Form 8-K was filed on October 8, 1999 incorporating the Northern Border Pipeline Company registration statement on form S-4 relating to the offering of up to $200,000,000 of Northern Border Pipeline Company’s 7.75% Senior Notes due 2009. A report on Form 8-K was filed on October 21, 1999 announcing changes to the officers and directors of the general partner of the Partnership. (c) Exhibits Exhibit No. 3.1 *3.2 *3.3 *4.1 10.1 10.2 *10.3 *10.3.1 10.3.2 *10.4 *10.4.1 10.5 *10.6 *10.7 *10.8 Description Amended and Restated Agreement of Limited Partnership of TC PipeLines, LP dated May 28, 1999. 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 (“1999 Form S-1”)). Certificate of Limited Partnership of TC PipeLines Intermediate Limited Partnership (Exhibit 3.3 to the 1999 Form S-1). 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’s, Form S-4 Registration Statement Registration No. 333-88577). Amended and Restated Agreement of Limited Partnership of TC PipeLines Intermediate Limited Partnership dated May 28, 1999. Contribution, Conveyance and Assumption Agreement among TC PipeLines, LP and certain other parties dated May 28, 1999. 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 Registra- tion Statement No. 33-66158). Seventh Supplement Amending Northern Border Pipeline Company General Partnership Agreement dated as of September 23, 1993 Partnership (Exhibit 10.3.1 to the 1999 Form S-1). Eighth Supplement Amending Northern Border Pipeline Company General Partnership Agreement dated May 21, 1999 by and among TransCanada Border PipeLine Ltd., TransCan Northern Ltd., Northern Border Intermediate Limited Partnership and TC PipeLines Intermediate Limited Partnership. 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). U.S. $40,000,000 Two year Revolving Credit Facility between TC PipeLines, LP, as borrower, and TransCanada PipeLine USA Ltd., as lender dated May 28, 1999. Form of Credit Agreement among Northern Border Pipeline Company, The First National Bank of Chicago, as Administrative Agent, The First National Bank of Chicago, Royal Bank of Canada, and Bank of America National Trust and Savings Association, as Syndication Agents, First Chicago Capital Markets, Inc., Royal Bank of Canada, and BancAmerica Securities, Inc. as Joint Arrangers and Lenders (as defined therein) dated as of June 16, 1997 (Exhibit 10(c) to Northern Border Partners, L.P.’s Form S-3 Registration Statement No. 33-40601). 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 Regis- tration Statement No. 33-66158). Guaranty made by Panhandle Eastern Pipeline Company, dated October 31, 1992 (Exhibit 10.9 to Northern Border Partners, L.P.’s Form S-1 Registration Statement No. 33-65158). Page 2 5 TC PIPELINES, LP 99 AR *10.9 *10.9.1 *10.10 *10.11 *10.12 *10.13 *10.14 *10.14.1 *10.15 *10.15.1 *10.16 *10.17 *10.18 *10.19 *10.20 *10.20.1 *10.22 Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and Enron Gas Marketing, Inc., dated June 22, 1990 (Exhibit 10.10 to Northern Border Partners, L.P.’s Form S-1 Registration Statement No. 33-66158). Amended Exhibit A to Northern Border Pipeline Company U.S. Shipper Service Agreement effective April 1, 1998. (Exhibit 10.10.4 to Northern Border Partners, L.P.’s 1997 Form 10-K SEC File No. 1-12202). Amended Exhibit A to Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and Enron Gas Marketing, Inc. (Exhibit 10.10.1 to the Northern Border Partners L.P.’s Form 10-K for the year ended December 31, 1993, SEC file No. 1-12202). Amended Exhibit A to Northern Border Pipeline U.S. Shippers Service Agreement between Northern Border Pipeline Company and Enron Gas Marketing, Inc., effective November 1, 1994 (Exhibit 10.10.2 to the Northern Border Partners, L.P.’s Form 10-K for the year ended December 31, 1994, SEC File No. 1-12202). Amended Exhibit A’s to Northern Border Pipeline Company U.S. Shipper Service Agreement effective August 1, 1995 and November 1, 1995 (Exhibit 10.10.3 to Northern Border Partners, L.P.’s Form 10-K for the year ended December 31, 1995). Amended Exhibit A to Northern Border Pipeline Company U.S. Shipper Service Agreement effective April 1, 1998 (Exhibit 10.10.4 to the Northern Border Partners, L.P.’s Form 10-K for the year ended December 31, 1997, SEC File No. 1-12202). Guaranty made by Northern Natural Gas Company, dated October 7, 1993 (Exhibit 10.11.1 to Northern Border Partners, L.P.’s 1993 Form 10-K SEC File No. 1-12202). Guaranty made by Northern Natural Gas Company, dated October 7, 1993 (Exhibit 10.11.2 to Northern Border Partners, L.P.’s 1993 Form 10-K SEC File No. 1-12202). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and Western Gas Marketing Limited, as agent for TransCanada PipeLines Limited, dated December 15, 1980 (Exhibit 10.13 to Northern Border Partners, L.P.’s Form S-1 Registration Statement No. 33-66158). Amended Exhibit A to Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and Western Gas Marketing Limited extending the term effective April 2, 1999 (Exhibit 10.11.1 to 1999 Form S-1). Amendment to Northern Border Pipeline Company Service Agreement extending the term effective November 1, 1995 (Exhibit 10.13.1 to Northern Border Partners, L.P.’s Form 10-K for the year ended December 31, 1995). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and Transcontinental Gas Pipe Line Corporation, dated July 14, 1983, with Amended Exhibit A effective February 11, 1994 (Exhibit 10.17 to Northern Border Partners, L.P.’s 1995 Form 10-K SEC File No. 1-12202). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and Enron Capital & Trade Resources Corp. dated October 15, 1997 (Exhibit 10.21 to Northern Border Partners, L.P.’s 1997 Form 10-K SEC File No. 1-12202). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and Enron Capital & Trade Resources Corp. dated October 15, 1997 (Exhibit 10.22 to Northern Border Partners, L.P.’s 1997 Form 10-K SEC File No. 1-12202). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and Enron Capital & Trade Resources Corp. dated August 5, 1997 with Amendment dated September 25, 1997 (Exhibit 10.25 to Northern Border Partners, L.P.’s 1997 Form 10-K SEC File No. 1-12202). Amended Exhibit A to Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and Enron Capital & Trade Resources Corp. effective November 1, 1998 (Exhibit 10.15.1 to 1999 Form S-1). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and Enron Capital & Trade Resources Corp. dated August 5, 1997 (Exhibit 10.26 to Northern Border Partners, L.P.’s 1997 Form 10-K SEC File No. 1-12202). Page 2 6 TC PIPELINES, LP 99 AR *10.22.1 *10.23 Amended Exhibit A to Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and Enron Capital & Trade Resources Corp. effective April 2, 1999 (Exhibit 10.16.1 to 1999 Form S-1). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and TransCanada Gas Services Inc., as agent for TransCanada PipeLines Limited, dated August 14, 1997 (Exhibit 10.28 to Northern Border Partners, L.P.’s 1997 Form 10-K SEC File No. 1-12202). *10.24 *10.25 *10.26 *10.27 *10.28 *10.29 *10.30 *10.31 *10.32 *10.33 *10.34 *10.35 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 SEC File No. 1-12202). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and TransCanada Gas Services Inc. as agent for TransCanada PipeLines Limited, dated October 10, 1996, with Amended Exhibit A effective April 2, 1999 (Exhibit 10.19 to 1999 Form S-1). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and TransCanada Gas Services Inc., as agent for TransCanada PipeLines Limited dated August 5, 1997 with Amended Exhibit A, effective April 2, 1999 (Exhibit 10.27 to Northern Border Partners, L.P.’s Form 10-K for the year ended December 31, 1997). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and TransCanada Gas Services Inc. as agent for TransCanada PipeLines Limited, dated October 5, 1998, with Amended Exhibit A effective April 2, 1999 (Exhibit 10.20 to 1999 Form S-1). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and TransCanada Gas Services Inc. as agent for TransCanada PipeLines Limited, dated October 5, 1998, with Amended Exhibit A effective April 2, 1999 (Exhibit 10.21 to 1999 Form S-1). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and TransCanada Gas Services Inc. as agent for TransCanada PipeLines Limited, dated October 5, 1998, with Amended Exhibit A effective April 2, 1999 (Exhibit 10.22 to 1999 Form S-1). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and TransCanada Gas Services Inc. as agent for TransCanada PipeLines Limited, dated October 5, 1998, with Amended Exhibit A effective April 2, 1999 (Exhibit 10.23 to 1999 Form S-1). Northern Border Pipeline Company U.S. Shippers Service Agreement between Northern Border Pipeline Company and TransCanada Gas Services Inc. as agent for TransCanada Pipelines Limited, dated December 18, 1998 (Exhibit 10.24 to 1999 Form S-1). 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 1999 Form S-1). 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 1999 Form S-1). 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 1999 Form S-1). Project Management Agreement by and between Northern Plains Natural Gas Company and Enron Engineering & Construction Company, dated March 1, 1996 (Exhibit No. 10.39 to Northern Border Pipeline Company, Form S-4 Registration Statement, Registration No. 333-88577). 10.36 Directors’ Compensation Plan of TC PipeLines, GP, Inc. dated effective July 19, 1999. 21.1 27 Subsidiaries of the Registrant Financial Data Schedule * Indicates exhibits incorporated by reference. Page 2 7 TC PIPELINES, LP 99 AR 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 21st day of March, 2000. TC PIPELINES, LP (A Delaware Limited Partnership) by its general partner, TC PipeLines GP, Inc. By: Garry P. Mihaichuk (signed) 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 Garry P. Mihaichuk (signed) President and Chief Executive Officer and Director (Principal Executive Officer) March 21, 2000 Russell K. Girling (signed) Chief Financial Officer and Director (Principal Financial Officer) March 21, 2000 Theresa Jang (signed) Controller (Principal Accounting Officer) March 21, 2000 Walentin Mirosh (signed) Director March 21, 2000 Ronald J. Turner (signed) Director March 21, 2000 Robert A. Helman Director Jack F. Jenkins-Stark Director March, 2000 March, 2000 David L. Marshall Director March , 2000 Page 2 8 Index to Financial Statements Financial Statements of TC PipeLines, LP Independent Auditors’ Report Balance Sheet – December 31, 1999 and May 28, 1999 Statement of Income – Period Ended December 31, 1999 Statement of Cash Flows – Period Ended December 31, 1999 Statement of Changes in Partners’ Capital – Period Ended December 31, 1999 Notes to Financial Statements Financial Statements of Northern Border Pipeline Company Report of Independent Public Accountants Balance Sheet – December 31, 1999 and 1998 Statement of Income – Years Ended December 31, 1999, 1998 and 1997 Statement of Cash Flows – Years Ended December 31, 1999, 1998 and 1997 Statement of Changes in Partners’ Capital – Years Ended December 31, 1999, 1998 and 1997 Notes to Financial Statements Financial Statements Schedule of Northern Border Pipeline Company Report of Independent Public Accountants on Schedule Schedule II – Valuation and Qualifying Accounts TC PIPELINES, LP 99 AR Page No. F-2 F-3 F-3 F-4 F-4 F-5 F-9 F-10 F-11 F-12 F-13 F-14 S-1 S-2 Page F-1 TC PIPELINES, LP 99 AR Independent Auditors’ Report 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, 1999 and May 28, 1999 and the related statements of income, cash flows and changes in part- ners’ capital for the period from the commencement of operations on May 28, 1999 to December 31, 1999. These financial statements are the responsibility of the General Partner. Our responsibility is to express an opinion on these financial statements based on our audit. We conducted our audit in accordance with United States generally accepted auditing standards. Those standards require that we plan and perform an audit to obtain reasonable assurance about whether the finan- cial 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 prin- ciples used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audit provides a reasonable basis for our opinion. In our opinion, the financial statements referred to above present fairly, in all material respects, the finan- cial position of TC PipeLines, LP as of December 31, 1999 and May 28, 1999 and the results of its operations and its cash flows for the period from the commencement of operations on May 28, 1999 to December 31, 1999 in conformity with United States generally accepted accounting principles. KPMG LLP (signed) Calgary, Canada March 21, 2000 Page F-2 Balance Sheet (thousands of dollars) Assets Cash Investment in Northern Border Pipeline Company Liabilities and Partners’ Capital Accounts payable Partners’ Capital Common units Subordinated units General partner Statement of Income (thousands of dollars, except per unit amount) Equity Income from Investment in Northern Border Pipeline Company General and Administrative Expenses Net Income Net Income per Unit Units Outstanding (thousands) (1) Commencement of operations The accompanying notes are an integral part of these financial statements. TC PIPELINES, LP 99 AR May 28, 1999(1) – 241,651 241,651 – – 193,515 43,303 4,833 241,651 241,651 December 31, 1999 795 250,450 251,245 407 407 208,573 37,248 5,017 250,838 251,245 May 28(1) – December 31, 1999 20,923 699 20,224 $1.13 17,500 Page F-3 TC PIPELINES, LP 99 AR Statement of Cash Flows (thousands of dollars) Cash Generated from Operations Net income Add/(Deduct): Equity income in excess of distributions received Decrease in operating working capital Financing Activities Distributions paid Common units issued Common units redeemed Subordinated units redeemed Increase in Cash Cash, Beginning of Period Cash, End of Period May 28(1) – December 31, 1999 20,224 (8,799) 407 11,832 (11,037) 282,061 (274,560) (7,501) (11,037) 795 – 795 Statement of Changes in Partners’ Capital Common Units Subordinated Units General Partner Partners’ Capital (thousands of units) (thousands of dollars) (thousands of units) (thousands of dollars) (thousands of dollars) (thousands of units) (thousands of dollars) Partnership Units Initial public offering Contribution of assets 14,300 14,300 274,560 193,515 Redemption of common units (14,300) (274,560) Exercise of over-allotment option 391 7,501 – 3,200 – (391) – 43,303 – (7,501) – 4,833 – – 14,300 17,500 274,560 241,651 (14,300) (274,560) – – Net Income Distributions Paid Partners’ Capital at 14,691 201,016 2,809 35,802 4,833 17,500 241,651 16,637 (9,080) 3,182 (1,736) 405 (221) 20,224 (11,037) December 31, 1999 14,691 208,573 2,809 37,248 5,017 17,500 250,838 (1) Commencement of operations The accompanying notes are an integral part of these financial statements. Page F-4 NOTES TO FINANCIAL STATEMENTS For the period May 28 (commencement of operations) to December 31, 1999 TC PIPELINES, LP 99 AR Note 1 Organization TC PipeLines, LP, a Delaware limited partnership, and its subsidiary limited part- nership, TC PipeLines Intermediate Limited Partnership, a Delaware limited partnership, 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. The remaining 70% general partner interest is owned by Northern Border Partners, L.P. (Northern Border Partners), a publicly traded limited partnership that is not affiliated with TC PipeLines. Northern Border Pipeline owns a 1,214-mile natural gas transmission line extending from the United States-Canadian border near Port of Morgan, Montana, to a terminus near Manhattan, Illinois. TC PipeLines is managed by its general partner, TC PipeLines GP, Inc. (General Partner), a wholly-owned subsidiary of TransCanada. The General Partner provides cer- tain 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 2,809,306 Subordinated Units, representing an effective 15.7% limited partner interest in the Partnership at December 31, 1999. Initial Public Offering and Concurrent Transactions TC PipeLines commenced operations on May 28, 1999, when it issued 14,300,000 Com- mon Units (11,500,000 to the public and 2,800,000 to an affiliate of the General Partner) for net proceeds of $274.6 million, after deducting underwriters’ fees of $15.0 mil- lion. These proceeds, along with 3,200,000 Subordinated Units, a 2% general partner interest and incentive distribution rights, were issued to TransCanada Border PipeLine Ltd. and TransCan Northern Ltd. (collectively, the predecessor companies), affiliates of the General Partner, to acquire the predecessor companies’ 30% general partner interest in Northern Border Pipeline. On June 25, 1999, the underwriters exercised a portion of their over-allotment option under the terms of the underwriting agreement and purchased 390,694 addi- tional Common Units for net proceeds of $7.5 million. The Partnership used those proceeds to redeem 390,694 Subordinated Units from the General Partner. Note 2 Significant Accounting Policies (a) Basis of Presentation The accompanying financial statements and related notes present the financial posi- tion of the Partnership as of December 31, 1999 and the results of its operations, cash flows and changes in partners’ capital for the period from May 28, 1999 (com- mencement of operations) to December 31, 1999. The Partnership uses the equity method of accounting for its investment in Northern Border Pipeline, over which it is able to exercise significant influence. Amounts are stated in United States dollars. (b) Use of Estimates The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contin- gent assets and liabilities at the date of the financial statements and the reported Page F-5 TC PIPELINES, LP 99 AR amounts of revenues and expenses during the reporting period. Although management believes these esti- mates 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 car- rying amount of cash and cash equivalents approximates fair value because of the short maturity of these investments. (d) Partners’ Capital Costs incurred in connection with the issuance of Units are deducted from the proceeds received. (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 The Partnership owns a 30% general partner interest in Northern Border Pipeline, a partnership which owns a natural gas pipeline extending from the Montana-Saskatchewan border near Port of Morgan, Montana, to a terminus near Manhattan, Illinois. Northern Border Pipeline is subject to regulation by the Federal Energy Regulatory Commission. Northern Border Pipeline’s accounting policies conform to United States generally accepted accounting principles, as applied in the case of regulated entities. The Partnership uses the equity method of accounting for its investment in Northern Border Pipeline, over which it is able to exercise significant influence. The Partnership’s investment balance as at May 28, 1999 represents the combined carrying values of the investment in Northern Border Pipeline as reflected in the accounts of the predecessor companies at the same date. TC PipeLines’ equity income for the period May 28 to December 31, 1999 represents 30% of the net income of Northern Border Pipeline for the same period. The following sets out summarized financial information for Northern Border Pipeline for the year ended December 31, 1999. TC PipeLines has held its general partner interest since May 28, 1999 and has recorded equity income from Northern Border Pipeline of $20.9 million for the period May 28 to December 31, 1999. December 31, 1999 17.3 33.8 1,731.4 14.2 (116.7) (10.7) (834.5) 834.8 (millions of dollars) Northern Border Pipeline Balance Sheet Cash and cash equivalents Other current assets Plant, property and equipment, net Other assets Current liabilities Reserves and deferred credits Long-term debt Partners’ capital Page F-6 (millions of dollars) Northern Border Pipeline Income Statement Revenues Costs and expenses Depreciation Financial charges and other Net income TC PIPELINES, LP 99 AR Year Ended December 31, 1999 298.3 (69.0) (51.9) (58.8) 118.6 Note 4 Partners’ Capital and Distributions Partner’s capital consists of 14,690,694 Common Units representing an 82.3% limited partner interest (an affil- iate of the General Partner owns 2,800,000 of such Common Units), 2,809,306 Subordinated Units owned by the General Partner representing a 15.7% limited partner interest and a 2% general partner interest. In the aggre- gate, the General Partner’s and its affiliate’s interests represent an effective 33.4% ownership of the Partnership’s equity. The Partnership will make 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. Amounts will generally be distributed 98% to the Unitholders and 2% to 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. The Subordination Period generally cannot end before June 30, 2004. Upon expira- tion 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. Under certain circum- stances, up to 66.7% of the Subordinated Units may convert into Common Units prior to the expiration of the Subordination Period. 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 distribu- tions for any quarter. 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 distribu- tions that are allocated 100% to the General Partner. As an incentive, the General Partner’s percentage inter- est in quarterly distributions is increased after certain specified target levels are met. At the time the quarter- ly distributions exceed $0.45 per Unit, the General Partner will receive 15% of the excess. As the quarterly dis- tributions are increased above $0.5275 per Unit, the General Partner will receive increasing percentages in excess of the targets reaching a maximum of 50% of the excess of the highest target level. Note 5 Credit Facility On May 28, 1999, the Partnership entered into a $40 million unsecured two-year revolving credit facility with TransCanada PipeLine USA Ltd., an affiliate of the General Partner. The credit facility bears interest at a London Interbank Offered Rate plus 1.25%. The purpose of the revolving credit facility is to provide borrow- ings to fund capital expenditures, to fund capital contributions to Northern Border Pipeline and for working capital and other general business purposes, including funding cash distributions to partners, if necessary. At December 31, 1999, the Partnership had no amount outstanding under this credit facility. Page F-7 TC PIPELINES, LP 99 AR Note 6 Net Income per Unit Net income per Unit is computed by dividing net income, after deduction of the General Partner’s allocation, by the number of Common and Subordinated Units outstanding. Note 7 Related Party Transactions The Partnership does not directly employ any persons to manage or operate its business. These functions are provided by the General Partner. The General Partner does not receive a management fee or other compensa- tion 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 ben- efits, 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 dis- cretion. Total costs reimbursed to the General Partner by the Partnership were approximately $0.2 million for the period from May 28, 1999 to December 31, 1999. Such costs include, (i) personnel costs (such as salaries and employee benefits) of the personnel providing such services, (ii) overhead costs (such as office space and equipment) and (iii) out-of-pocket expenses related to the provision of such services. Note 8 Quarterly Financial Data (Unaudited) (thousands of dollars) 1999 Second Quarter(1) Third Quarter Fourth Quarter (1) The Partnership commenced operations on May 28, 1999. Equity Income Net Income Net Income Per Unit Cash Distributions 3,130 8,738 9,055 2,986 8,499 8,739 0.167 0.476 0.489 3,001 8,036 8,036 Note 9 Accounting Pronouncements In 1998, the Financial Accounting Standards Board (FASB) issued Statement of Financial Accounting Standards (SFAS) No. 133, “Accounting for Derivative Instruments and Hedging Activities”. SFAS No. 133 establishes accounting and reporting standards for derivative instruments (including certain derivative instruments embedded in other contracts). In June 1999, the FASB issued SFAS No. 137 that deferred the effective date of SFAS No. 133 to fiscal years beginning after June 15, 2000. TC PipeLines does not believe SFAS No. 133 will have a material impact on its financial position or results of operations. Note 10 Subsequent Events On January 19, 2000, the Board of Directors of the General Partner declared a cash distribution of $0.45 per Unit for the three months ended December 31, 1999. The $8.0 million distribution was paid on February 14, 2000 in the following manner: $6.6 million to the holders of Common Units as of the close of business on January 31, 2000, $1.2 million to the General Partner as holder of the Subordinated Units, and $0.2 million to the General Partner in respect of its 2% general partner interest. Page F-8 TC PIPELINES, LP 99 AR REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS To Northern Border Pipeline Company: We have audited the accompanying balance sheet of Northern Border Pipeline Company (a Texas partnership) as of December 31, 1999 and 1998, and the related statements of income, cash flows and changes in partners’ capital for each of the three years in the period ended December 31, 1999. These financial statements are the respon- sibility 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 generally accepted auditing standards. 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 account- ing 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, 1999 and 1998, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 1999, in conformity with generally accepted accounting principles. ARTHUR ANDERSEN LLP Omaha, Nebraska, January 20, 2000 Page F-9 TC PIPELINES, LP 99 AR NORTHERN BORDER PIPELINE COMPANY BALANCE SHEET (In Thousands) ASSETS CURRENT ASSETS Cash and cash equivalents Accounts receivable Related party receivables Materials and supplies, at cost Under recovered cost of service 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 Total assets LIABILITIES AND PARTNERS’ CAPITAL CURRENT LIABILITIES Current maturities of long-term debt Accounts payable Accrued taxes other than income Accrued interest Accumulated provision for rate refunds Total current liabilities LONG-TERM DEBT, NET OF CURRENT MATURITIES RESERVES AND DEFERRED CREDITS PARTNERS’ CAPITAL December 31, 1999 1998 $ 17,310 $ 37,389 21,929 5,120 3,645 3,068 51,072 16,434 2,470 3,360 2,781 62,434 2,363,291 2,302,457 4,730 1,530 2,368,021 2,303,987 636,627 589,464 1,731,394 1,714,523 14,225 13,932 $1,796,691 $1,790,889 $ 66,000 5,588 26,290 16,504 2,317 116,699 834,459 10,698 834,835 $ — 44,042 19,828 11,763 — 75,633 862,000 9,818 843,438 Total liabilities and partners’ capital $1,796,691 $1,790,889 The accompanying notes are an integral part of these financial statements. Page F-10 TC PIPELINES, LP 99 AR 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 Regulatory credit Operating expenses OPERATING INCOME INTEREST EXPENSE Interest expense Interest expense capitalized Year Ended December 31, 1999 1998 1997 $300,664 $196,600 $226,019 (2,317) 298,347 — 196,600 (39,969) 186,050 38,708 51,908 30,320 — 120,936 177,411 29,447 40,989 21,381 (8,878) 82,939 113,661 28,522 38,708 22,393 — 89,623 96,427 60,312 44,542 (98) (19,001) 33,020 (3,660) Interest expense, net 60,214 25,541 29,360 OTHER INCOME Allowance for equity funds used during construction Other income, net Other income NET INCOME TO PARTNERS 101 1,262 1,363 10,237 1,874 12,111 1,400 4,305 5,705 $118,560 $100,231 $ 72,772 The accompanying notes are an integral part of these financial statements. Page F-11 TC PIPELINES, LP 99 AR NORTHERN BORDER PIPELINE COMPANY Statement of Cash Flows (In Thousands) Year Ended December 31, 1999 1998 1997 CASH FLOWS FROM OPERATING ACTIVITIES: Net income to partners $ 118,560 $ 100,231 $ 72,772 Adjustments to reconcile net income to partners to net cash provided by operating activities: Depreciation and amortization Provision for rate refunds Refunds to shippers Allowance for equity funds used during construction Regulatory credit 51,962 2,317 — (101) — Changes in components of working capital (2,112) Other Total adjustments Net cash provided by operating activities CASH FLOWS FROM INVESTING ACTIVITIES: Capital expenditures for property, plant 840 52,906 171,466 41,005 — — (10,237) (9,105) (18,471) 354 3,546 38,715 40,403 (52,630) (1,400) — 16,389 1,079 42,556 103,777 115,328 and equipment, net (101,678) (651,169) (152,070) CASH FLOWS FROM FINANCING ACTIVITIES: Contributions from partners Distributions to partners Issuance of long-term debt, net Retirement of long-term debt Proceeds received upon termination of interest rate forward agreements Long-term debt financing costs Repayment of note payable Net cash provided by (used in) — (127,163) 289,026 (263,000) 12,896 (1,626) — 223,000 (61,205) 403,000 — — — — financing activities (89,867) 564,795 NET CHANGE IN CASH AND CASH EQUIVALENTS Cash and cash equivalents-beginning of year (20,079) 37,389 17,403 19,986 81,000 (99,322) 209,000 (127,500) — (744) (10,000) 52,434 15,692 4,294 Cash and cash equivalents-end of year $ 17,310 $ 37,389 $ 19,986 Changes in components of working capital: Accounts receivable Materials and supplies Accounts payable Accrued taxes other than income Accrued interest Over/under recovered cost of service $ (8,145) $ (1,567) $ 1,927 (285) (4,598) 6,462 4,741 (287) 317 (10,769) (466) 1,396 (7,382) 170 14,587 (674) 14 365 Total $ (2,112) $ (18,471) $ 16,389 Page F-12 The accompanying notes are an integral part of these financial statements. TC PIPELINES, LP 99 AR NORTHERN BORDER PIPELINE COMPANY Statement of Changes in Partners’ Capital (In Thousands) TransCanada Border PipeLine Ltd. Northern TC Border PipeLines TransCan Intermediate Intermediate Limited Limited Northern Partnership Ltd. Partnership Total Partners’ Capital Partners’ Capital at December 31, 1996 $ 31,618 $ 126,471 $ — $368,873 $ 526,962 Net income to partners Contributions received 4,366 4,860 17,466 19,440 Distributions paid (5,959) (23,838) Partners’ Capital at December 31, 1997 Net income to partners Contributions received 34,885 6,014 13,380 139,539 24,055 53,520 Distributions paid (3,673) (14,689) — — — — — — — — 20,923 50,940 56,700 72,772 81,000 (69,525) (99,322) 406,988 70,162 156,100 581,412 100,231 223,000 (42,843) (61,205) 590,407 82,992 843,438 118,560 Partners’ Capital at December 31, 1998 Net income to partners Distributions paid Ownership transfer Partners’ Capital at December 31, 1999 50,606 2,930 202,425 11,715 (5,206) (20,819) (12,124) (89,014) (127,163) (48,330) (193,321) 241,651 — — $ — $ — $250,450 $584,385 $ 834,835 The accompanying notes are an integral part of these financial statements. Page F-13 TC PIPELINES, LP 99 AR NORTHERN BORDER PIPELINE COMPANY NOTES TO FINANCIAL STATEMENTS 1. ORGANIZATION AND MANAGEMENT Northern Border Pipeline Company (Northern Border Pipeline) is a general partnership, formed in 1978, pursuant to the Texas Uniform Partnership Act. The ownership percentages of the partners in Northern Border Pipeline (Partners) at December 31, 1999 and 1998, are as follows: Partner 1999 1998 Northern Border Intermediate Limited Partnership TC PipeLines Intermediate Limited Partnership TransCan Northern Ltd. TransCanada Border PipeLine Ltd. 70 30 — — 70 — 24 6 Net income and distributions are allocated to the Partners based on owner- ship percentage. Effective May 28, 1999, TransCanada Border PipeLine Ltd. and TransCan Northern Ltd. transferred their combined 30% ownership inter- est in Northern Border Pipeline to TC PipeLines Intermediate Limited Partnership (TC PipeLines) in connection with an initial public offering of limited partner interests in TC PipeLines, LP. In accordance with the partnership agreement, net income and distributions were prorated at the effective date of the ownership transfer. Northern Border Pipeline owns a 1,214-mile natural gas transmission pipeline system extending from the United States-Canadian border near Port of Morgan, Montana, to a terminus near Manhattan, Illinois. 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. 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 The Williams Companies, Inc., have 35%, 22.75% and 12.25%, respectively, of the voting interest on the Management Commit- tee. The representative designated by TC PipeLines votes the remaining 30% interest. In December 1998, Northern Plains acquired Pan Border from a subsidiary of Duke Energy Corporation. At the closing of the acquisition, Pan Border’s sole asset consisted of its general partner interest in the Partnership. The day-to-day management of Northern Border Pipeline’s affairs is the responsibility of Northern Plains (the Operator), as defined by the operating agreement between Northern Border Pipeline and Northern Plains. Northern Border Pipeline is charged for the salaries, benefits and expenses of the Operator. For the years ended December 31, 1999, 1998 and 1997, Northern Border Pipeline reimbursed the Operator approximately $29.7 million, $30.0 million and $24.6 million, respec- tively. Additionally, an Enron affiliate was responsible for project management on Northern Border Pipeline’s expansion and extension of its pipeline from near Harper, Iowa to a point near Manhattan, Illinois (The Chicago Project). Page F-14 TC PIPELINES, LP 99 AR 2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (A) Use of Estimates The preparation of financial statements in conformity with gener- ally accepted accounting principles 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 generally accepted accounting principles for nonregu- lated entities. At December 31, 1999 and 1998, Northern Border Pipeline has reflected regulatory assets of approximately $12.1 million and $12.8 million, respectively, in Other Assets on the balance sheet. During the construction of The Chicago Project, Northern Border Pipeline placed certain new facilities into service in advance of the December 1998 project in-service date to maintain gas flow at firm contracted capacity while existing facilities were being modified. As required by the certificate of public conven- ience and necessity issued by the FERC, Northern Border Pipeline recorded a regulatory credit of approximately $8.9 million in 1998, which deferred the cost of service of these new facilities. North- ern Border Pipeline is allowed to recover the regulatory asset that resulted from the cost of service deferral from its shippers over a ten-year period commencing with the in-service date of The Chicago Project. At December 31, 1999 and 1998, the unrecovered regulatory asset related to The Chicago Project facilities was approximately $8.2 million and $8.9 million, respectively. The remaining regula- tory asset at both December 31, 1999 and 1998, of approximately $3.9 million, relates to costs recorded from previous expansions and extensions of the pipeline system. Northern Border Pipeline is seeking recovery of these amounts in its current rate proceeding (see Note 5). (C) 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 cost of service 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 Page F-15 TC PIPELINES, LP 99 AR 2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued) (C) Income Taxes (continued) calculating the return allowed by the FERC, Partners’ capital and rate base are reduced by the amount equivalent to the net accumu- lated deferred income taxes. Such amounts were approximately $316 million and $300 million at December 31, 1999 and 1998, respec- tively, and are primarily related to accelerated depreciation and other plant-related differences. (D) Property, Plant and Equipment and Related Depreciation and Amortization Property, plant and equipment is stated at original cost. In Decem- ber 1998, Northern Border Pipeline placed into service the facilities for The Chicago Project. At December 31, 1999 and 1998, approximately $3.5 million and $37.4 million, respectively, of project costs incurred but not paid for The Chicago Project were recorded in accounts payable and natural gas transmission plant on the balance sheet and were excluded from the change in accounts payable and capital expenditures for property, plant and equipment, net on the statement of cash flows. 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 in 1999, 1998 and 1997 was 2.0%, 2.5% and 2.5%, respectively. In 2000, the depreciation rate increases to 2.3% and is scheduled to continue to increase gradu- ally on an annual basis until it reaches 3.2% in 2002. Composite rates are applied to all other functional groups of property having similar economic characteristics. The depreciation rate for trans- mission plant is being reviewed in Northern Border Pipeline’s current rate proceeding (see Note 5). 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 extraordinary retirements or sales. (E) Revenue Recognition Northern Border Pipeline bills the cost of service on an estimated basis for a six month cycle. Any net excess or deficiency resulting from the comparison of the actual cost of service determined for that period in accordance with the FERC tariff to the estimated billing is accumulated, including carrying charges thereon and is either billed to or credited back to the shippers. Revenues reflect actual cost of service. An amount equal to differences between billing estimates and the actual cost of service, including carry- ing charges, is reflected in current assets or current liabilities. Page F-16 TC PIPELINES, LP 99 AR 2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued) (F) Allowance for Funds Used During Construction The allowance for funds used during construction (AFUDC) represents the estimated costs, during the period of construction, of funds used for construction purposes. For regulated activities, Northern Border Pipeline is permitted to earn a return on and recover AFUDC through its inclusion in rate base and the provision for deprecia- tion. The rate employed for the equity component of AFUDC is the equity rate of return stated in Northern Border Pipeline’s FERC tariff. (G) 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 matu- rity of these investments. (H) 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. As a result, Northern Border Pipeline has entered into various interest rate swap agreements with major financial institutions which hedge interest rate risk by effec- tively converting certain of its floating rate debt to fixed rate debt. Northern Border Pipeline does not use these instruments for trading purposes. The cost or benefit of the interest rate swap agreements is recognized currently as a component of interest expense. 3. SHIPPER SERVICE AGREEMENTS Operating revenues are collected pursuant to the FERC tariff which directs that Northern Border Pipeline collect its cost of service through firm transportation service agreements (firm service agreements). Northern Border Pipeline’s FERC tariff provides an opportunity to recover all oper- ations and maintenance costs of the pipeline, taxes other than income taxes, interest, depreciation and amortization, an allowance for income taxes and a regulated equity return. Billings for the firm service agree- ments are based on contracted volumes to determine the allocable share of the cost of service and are not dependent upon the percentage of available capacity actually used. Northern Border Pipeline’s firm service agreements extend for various terms with termination dates that range from October 2001 to December 2013. Northern Border Pipeline also has interruptible service contracts with numerous other shippers as a result of its self-implementing blanket trans- portation authority. Revenues received from the interruptible service contracts are credited to the cost of service reducing the billings for the firm service agreements. Page F-17 TC PIPELINES, LP 99 AR 3. SHIPPER SERVICE AGREEMENTS (continued) Northern Border Pipeline’s largest shipper, Pan-Alberta Gas (U.S.) Inc. (PAGUS), is presently obligated for approximately 25.7% of the cost of service through three firm service agreements which expire in October 2003. Financial guarantees exist through October 2001 for approximately 16.3% of the total cost of service related to the contracted capacity of PAGUS, including 10.5% guaranteed by Northern Natural Gas Company, a wholly-owned subsidiary of Enron. The remaining cost of service obligation of PAGUS is supported by various credit support arrangements, including among others, a letter of credit, an escrow account and an upstream capacity transfer agreement. Operating revenues from the PAGUS firm service agreements and interruptible service contracts for the years ended December 31, 1999, 1998 and 1997 were $76.6 million, $87.3 million and $86.8 million, respectively. Shippers affiliated with the Partners of Northern Border Pipeline have firm service agreements representing approximately 17.3% of the cost of service. These firm service agreements extend for various terms with termination dates that range from October 2003 to May 2009. Operating revenues from the affiliated firm service agreements and interruptible service contracts for the years ended December 31, 1999, 1998 and 1997 were $52.5 million, $22.4 million and $20.2 million, respectively. 4. CREDIT FACILITIES AND LONG-TERM DEBT Detailed information on long-term debt is as follows: (Thousands of dollars) Senior notes - average 8.43%, due from 2000 to 2003 Pipeline credit agreement Term loan, due 2002 Five-year revolving credit facility Senior notes - 7.75%, due 2009 Unamortized proceeds from termination of interest rate forward agreements Unamortized debt discount Total Less: Current maturities of long-term debt December 31, 1999 1998 $250,000 $250,000 439,000 — 200,000 12,397 (938) 484,500 127,500 — — — 900,459 66,000 862,000 — Long-term debt $834,459 $862,000 Page F-18 TC PIPELINES, LP 99 AR 4. CREDIT FACILITIES AND LONG-TERM DEBT (continued) In August 1999, Northern Border Pipeline completed a private offering of $200 million of 7.75% Senior Notes due 2009, which notes were subsequently exchanged in a registered offering for notes with substantially identical terms (Senior Notes). Also in August 1999, Northern Border Pipeline received approximately $12.9 million from the termination of interest rate forward agreements, which is included in long-term debt on the balance sheet and is being amortized against interest expense over the life of the Senior Notes. The interest rate forward agreements, which had an aggregate notional amount of $150 million, had been executed in September 1998 to hedge the interest rate on a planned issuance of fixed rate debt in 1999. The proceeds from the private offering, net of debt discounts and issuance costs, and the termination of the interest rate forward agreements were used to reduce existing indebtedness under a June 1997 credit agreement. In June 1997, Northern Border Pipeline entered into a credit agreement (Pipeline Credit Agreement) with certain financial institutions to borrow up to an aggregate principal amount of $750 million. The Pipeline Credit Agreement is comprised of a $200 million five-year revolving credit facil- ity to be used for the retirement of a previously existing bank loan agreement and for general business purposes, and a $550 million three-year revolving credit facility to be used for the construction of The Chicago Project. Effective March 1999, in accordance with the provisions of the Pipeline Credit Agreement, Northern Border Pipeline converted the three- year revolving credit facility to a term loan maturing in June 2002. The 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, subject to certain parameters. Northern Border Pipeline is required to pay a facility fee on the remaining aggregate principal com- mitment amount of $639 million. At December 31, 1999 and 1998, Northern Border Pipeline had outstanding interest rate swap agreements with notional amounts of $40 million and $90 million, respectively. The agreement outstanding at December 31, 1999, will terminate in November 2001. Under the agreements, Northern Border Pipeline makes payments to counterparties at fixed rates and in return receives payments at variable rates based on the London Interbank Offered Rate. At December 31, 1999 and 1998, Northern Border Pipeline was in a payable position relative to its counterparties. The average effective interest rate of Northern Border Pipeline’s variable rate debt, taking into consideration the interest rate swap agreements, was 6.73% and 6.17% at December 31, 1999 and 1998, respectively. Page F-19 TC PIPELINES, LP 99 AR 4. CREDIT FACILITIES AND LONG-TERM DEBT (continued) Interest paid, net of amounts capitalized, during the years ended December 31, 1999, 1998 and 1997 was $55.5 million, $23.8 million and $29.0 mil- lion, respectively. Aggregate required repayments of long-term debt are as follows: $66 million, $41 million, $517 million and $65 million for 2000, 2001, 2002 and 2003, respectively. There are no required repayment obligations for 2004. Certain of Northern Border Pipeline’s long-term debt and credit arrange- ments contain requirements as to the maintenance of minimum partners’ capital and debt to capitalization ratios which 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, 1999 and 1998, respectively, $132 million and $173 million of partners’ capital of Northern Border Pipeline could be distributed. 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 senior notes due from 2000 to 2003 was approximately $273 million and $287 million at December 31, 1999 and 1998, respec- tively. The estimated fair value of the senior notes due 2009 was approximately $201 million at December 31, 1999. At December 31, 1999 and 1998, the estimated fair value which would be payable to terminate the interest rate swap agreements, taking into account current interest rates, was approximately $1 million and $3 million, respectively. Northern Border Pipeline presently intends to maintain the current schedule of maturities for the senior notes and the interest rate swap agreements which will result in no gains or losses on their respective repayment. The carrying value of Northern Border Pipeline’s variable rate debt approximates the fair value since the interest rates are periodi- cally adjusted to current market conditions. 5. COMMITMENTS AND CONTINGENCIES Regulatory Proceedings 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. The total annual cost of service increase due to Northern Border Pipeline’s proposed changes is approximately $30 million. A number of Northern Border Pipeline’s shippers and competing pipelines have filed interventions and protests. In June 1999, the FERC issued an order in which the proposed changes were suspended until December 1, 1999, after which the proposed changes were implemented with subsequent billings sub- ject to refund. At December 31, 1999, Northern Border Pipeline recorded a $2.3 million provision for rate refunds. The June order and a subsequent clarification issued by the FERC in August 1999 set for hearing not only Page F-20 TC PIPELINES, LP 99 AR 5. COMMITMENTS AND CONTINGENCIES (continued) Regulatory Proceedings (continued) Northern Border Pipeline’s proposed changes but also several issues raised by intervenors including the appropriateness of Northern Border Pipeline’s cost of service tariff, rolled-in rate treatment of The Chicago Project, capital project cost containment mechanism amount recorded for The Chicago Project, depreciation schedule and creditworthiness standards. A proce- dural schedule has been established which provides for the hearing to commence in July 2000. At this time, Northern Border Pipeline can give no assurance as to the outcome on any of these issues. In October 1998, Northern Border Pipeline filed a certificate application with the FERC to seek approval to expand and extend its pipeline system into Indiana (Project 2000). If approved and constructed, Project 2000 would afford shippers on the expanded and extended pipeline system access to industrial gas consumers in northern Indiana. As a result of permanent releases of capacity between several existing and project shippers origi- nally included in the October 1998 application, Northern Border Pipeline amended its application with the FERC in March 1999. Numerous parties filed to intervene in this proceeding. Several parties protested this application asking that the FERC deny Northern Border Pipeline’s request for rolled-in rate treatment for the new facilities and that Northern Border Pipeline be required to solicit indications of interest from exist- ing shippers for capacity releases that would possibly eliminate the construction of certain new facilities. In September 1999, the FERC issued a policy statement on certification and pricing of new construction projects. The policy statement announces a preference for establishing the trans- portation charge for newly constructed facilities on a separate, stand-alone basis. This reverses the existing presumption in favor of rolled-in pricing once certain conditions were met. In response to the policy statement, Northern Border Pipeline amended its application with the FERC in December 1999. The December amended application reflects esti- mated capital expenditures of approximately $94 million. Several parties renewed their protests on this latest amended application. While Northern Border Pipeline cannot predict when the FERC will issue its final order on the Project 2000 amended application, Northern Border Pipeline has requested such action by March 15, 2000. In January 1998, Northern Border Pipeline filed an application with the FERC to acquire the linepack gas required to operate the pipeline from the shippers and to provide the linepack gas in the future for its operations. The cost of the linepack gas acquired in 1998, which is included in rate base, totaled approximately $11.7 million. In August 1997, Northern Border Pipeline received FERC approval of a Stipulation and Agreement (Stipulation) filed on October 15, 1996 to settle its November 1995 rate case. In accordance with the terms of the Stipula- tion, Northern Border Pipeline’s allowed equity rate of return was reduced from the requested 14.25% to 12.75% for the period June 1, 1996 to Septem- ber 30, 1996 and to 12% thereafter. Additionally, Northern Border Pipeline Page F-21 TC PIPELINES, LP 99 AR 5. COMMITMENTS AND CONTINGENCIES (continued) Regulatory Proceedings (continued) agreed to reduce its transmission plant depreciation rate retroactively to June 1, 1996, and agreed to implement a $31 million settlement adjustment mechanism (SAM) when The Chicago Project was placed in service. The SAM effectively reduces the allowed return on rate base. In October 1997, Northern Border Pipeline used a combination of cash on hand and borrowings on a revolving credit facility to pay refunds to its shippers of approxi- mately $52.6 million. Also as agreed to in the Stipulation, Northern Border Pipeline implemented a capital project cost containment mechanism (PCCM). The purpose of the PCCM was to limit Northern Border Pipeline’s ability to include cost over- runs on The Chicago Project in rate base and to provide incentives to Northern Border Pipeline for cost underruns. The PCCM amount is determined by comparing the final cost of The Chicago Project to the budgeted cost. The Stipulation required the budgeted cost for The Chicago Project, which had been initially filed with the FERC for approximately $839 million, to be adjusted for the effects of inflation and project scope changes, as defined in the Stipulation. Such adjusted budgeted cost of The Chicago Project has been estimated to be $897 million, with the final construction cost estimated to be $894 million. Thus, Northern Border Pipeline’s noti- fication to the FERC and its shippers in June 1999 reflects the conclusion that there is a $3 million addition to rate base as a result of the PCCM. The Stipulation required that the calculation of the PCCM be reviewed by an independent national accounting firm. The independent accountants com- pleted their examination of Northern Border Pipeline’s PCCM calculation in October 1999. The independent accountants concluded Northern Border Pipeline had complied, in all material respects, with the requirements of the Stipulation related to the PCCM. Northern Border Pipeline filed its June 1999 report and the independent accountants’ report in its current rate case proceeding discussed previously. Testimony filed by the FERC staff and intervenors in the current rate case proceeding has proposed changes to the PCCM computation, which would result in rate base reduc- tions ranging from $32 million to $43 million. Although Northern Border Pipeline believes the computation has been made in accordance with the terms of the Stipulation, it is unable to predict at this time whether any adjustments will be required. Should developments in the rate case result in rate base reductions, a non-cash charge to write down transmission plant would result and such charge could be material to the operating results of Northern Border Pipeline. Environmental Matters Northern Border Pipeline is not aware of any material contingent liabilities with respect to compliance with applicable environmental laws and regulations. Other 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. Page F-22 TC PIPELINES, LP 99 AR 6. CAPITAL EXPENDITURE PROGRAM Total capital expenditures for 2000 are estimated to be $25 million. This includes approximately $10 million for Project 2000 (see Note 5) and approx- imately $13 million for renewals and replacements of the existing facili- ties. Funds required to meet the capital expenditures for 2000 are antici- pated to be provided primarily from internal sources. 7. QUARTERLY FINANCIAL DATA (Unaudited) (In thousands) 1999 First Quarter Second Quarter Third Quarter Fourth Quarter 1998 First Quarter Second Quarter Third Quarter Fourth Quarter Operating Revenues, net Operating Income Net Income to Partners $73,635 73,022 73,925 77,765 $47,504 48,851 49,121 51,124 $44,271 43,788 44,017 45,335 $24,939 27,509 28,829 32,384 $30,315 28,933 29,127 30,185 $20,262 24,844 26,945 28,180 8. ACCOUNTING PRONOUNCEMENTS In 1998, the Financial Accounting Standards Board (FASB) issued SFAS No. 133, “Accounting for Derivative Instruments and Hedging Activities.” SFAS No. 133 establishes accounting and reporting standards requiring 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 spe- cific hedge accounting criteria are met. Special accounting for qualifying hedges allows a derivative’s gains and losses to offset related results on the hedged item in the income statement, and requires that a company must formally document, designate and assess the effectiveness of transactions that receive hedge accounting. In June 1999, the FASB issued SFAS No. 137 which deferred the effective date of SFAS No. 133 to fiscal years beginning after June 15, 2000. A com- pany may implement SFAS No. 133 as of the beginning of any fiscal quarter after issuance, however, the statement cannot be applied retroactively. Northern Border Pipeline does not plan to adopt SFAS No. 133 early. Northern Border Pipeline believes that SFAS No. 133 will not have a mate- rial impact on its financial position or results of operations. 9. SUBSEQUENT EVENTS Northern Border Pipeline makes distributions to its general partners approximately one month following the end of the quarter. The distribution computed for the fourth quarter of 1999 of approximately $30.9 million is payable February 2, 2000. Page F-23 TC PIPELINES, LP 99 AR REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS ON SCHEDULE To Northern Border Pipeline Company: We have audited in accordance with generally accepted auditing standards, the finan- cial statements of Northern Border Pipeline Company included in this Form 10-K and have issued our report thereon dated January 20, 2000. 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 pur- poses 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 audit- ing 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. ARTHUR ANDERSEN LLP Omaha, Nebraska, January 20, 2000 Page S-1 TC PIPELINES, LP 99 AR SCHEDULE II NORTHERN BORDER PIPELINE COMPANY SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS FOR THE YEARS ENDED DECEMBER 31, 1999, 1998 AND 1997 Column A Column B (In Thousands) Column C Additions Balance at Beginning of Year Charged to Costs and Expenses Charged to Other Accounts Description Reserve for regulatory issues Column D Deductions For Purpose For Which Reserves Were Created Column E Balance at End of Year 1999 1998 1997 $6,726 $6,726 $5,953 $650 $— $773 $— $— $— $— $— $— $7,376 $6,726 $6,726 Page S-2 Four Greenspoint Plaza 16945 Northchase Drive Houston, Texas 77060 

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