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## 5. Debt 

<img src='content_image/35444.jpg'>

1 Includes $11.6 million of debentures (1999 — $14.5 million) secured by a first mortgage on specific pipeline properties and the assignment of the benefits of a shipping agreement. 

2 Primarily comprised of commercial paper borrowings. Commercial paper debt is due within one year but has been classified as long-term debt, reflecting the Company’s intent and ability to refinance through subsequent issuances of commercial paper or drawing on the committed credit facility. 

3 Includes U.S. $130.0 million 9.4% debentures. 

4 The effective weighted average interest rates, after giving effect to the interest rate swap agreements (described in Note 9), were 9.1% (1999 — 9.1%) for Energy Transportation debentures, 7.1% (1999 — 7.1%) for Energy Distribution other debt, 8.8% (1999 — 8.8%) for Non-regulated Operations debentures, and 7.4% for senior term notes. 

Long-term debt maturities and sinking fund requirements for the years ending December 31, 2001 through 2005 are $426.0 million, $339.6 million, $137.8 million, $162.1 million and $539.3 million. 

## Interest Expense 

<img src='content_image/35443.jpg'>

