LONG-TERM DEBT:



	Effective interest rate⁽¹⁾	Principal amount				Maturity date
	Effective interest rate⁽¹⁾	December 31, 2017		January 1, 2017		Maturity date

Revolving long-term bank credit facility, interest at variable U.S. LIBOR-based interest rate plus a spread ranging from 1% to 2% ⁽²⁾	2.3%	$	30,000	$	—	April 2022
Revolving long-term bank credit facility, interest at variable U.S. LIBOR-based interest rate plus a spread ranging from 1% to 1.25% ⁽³⁾	2.1%	—		—		March 2019
Term loan, interest at variable U.S. LIBOR-based interest rate plus a spread ranging from 1% to 2%⁽⁴⁾	2.2%	300,000		300,000		June 2021
Notes payable, interest at fixed rate of 2.70%, payable semi-annually⁽⁵⁾	2.7%	100,000		100,000		August 2023
Notes payable, interest at variable U.S. LIBOR-based interest rate plus a spread of 1.53% payable quarterly ⁽⁵⁾	2.7%	50,000		50,000		August 2023
Notes payable, interest at fixed rate of 2.91%, payable semi-annually ⁽⁵⁾	2.9%	100,000		100,000		August 2026
Notes payable, interest at variable U.S. LIBOR-based interest rate plus a spread of 1.57% payable quarterly ⁽⁵⁾	2.9%	50,000		50,000		August 2026
		$	630,000	$	600,000


(1)	Represents the effective interest rate for the year ended December 31, 2017, including the cash impact of interest rate swaps, where applicable.

(2)

The Company’s unsecured revolving long-term bank credit facility of $1 billion provides for an annual extension which is subject to the approval of the lenders. The spread added to the U.S. LIBOR-based variable interest rate is a function of the total net debt to EBITDA ratio (as defined in the credit facility agreement). In addition, an amount of $14.6 million (January 1, 2017 - $19.0 million) has been committed against this facility to cover various letters of credit.

(3)

The Company's unsecured revolving long-term bank credit facility agreement of $300 million, has a one year revolving period followed by a one year term-out period, and provides for an annual extension of the revolving period which is subject to the approval of the lenders. A fixed spread of 1% during the revolving period and 1.25% during the term-out period is added to the U.S. LIBOR-based variable interest rate.


(4)	The unsecured five-year term loan of $300 million is non-revolving and can be prepaid in whole or in part at any time with no penalties. The spread added to the U.S. LIBOR-based variable interest rate is a function of the total net debt to EBITDA ratio (as defined in the term loan agreement).


(5)	The unsecured notes issued for a total aggregate principal amount of $300 million to accredited investors in the U.S. private placement market can be prepaid in whole or in part at any time, subject to the payment of a prepayment penalty as provided for in the Note Purchase Agreement.