Senior Notes

In 2017, the Company redeemed, canceled and retired all $200.0 million principal amount outstanding of its 6.375% senior unsecured notes due 2042 at a redemption price equal to 100% of the principal amount. At December 31, 2018, the Company had two senior notes outstanding. The carrying value of the senior notes is accreted to the principal amount at maturity over a remaining life of the underlying instrument. The respective principal terms of the senior notes are presented below:



	2024 Senior Notes			2025 Senior Notes
Issue date	February 2014			February 2015
Maturity date	February 2024			August 2025
Potential Call Date⁽¹⁾	Any Time			Any Time
Par value (in millions)	$	400.0		$	350.0
Call Price⁽¹⁾	As Defined			As Defined
Stated coupon	4.25		%	3.50		%
Coupon frequency	Semi-annually			Semi-annually

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⁽¹⁾

The senior notes may be redeemed at any time, in whole or in part, at a make-whole redemption price plus accrued and unpaid interest. The make-whole redemption price, in each case, is equal to the greater of 100% of the principal amount of the notes to be redeemed and the remaining principal and interest payments on the notes being redeemed (excluding accrued but unpaid interest to, but not including, the redemption date) discounted to their present value as of the redemption date at the applicable treasury rate plus 0.25%.