Senior Notes

In 2015, the Company redeemed, canceled and retired all $140.0 million principal amount outstanding of its 5.25% senior unsecured notes due 2022 at a redemption price equal to 100% of the principal amount plus accrued and unpaid interest.

In February 2015, the Company issued additional senior notes, and at December 31, 2015 had three senior notes outstanding, the principal terms of which are summarized below.

2024

Senior

Notes

2025

Senior

Notes

2042

Senior

Notes

Issue date

February 2014

February 2015

August 2012

Maturity date

February 2024

August 2025

August 2042

Potential Call Date

Any Time ⁽¹⁾

August 2017

Par value (in millions)

400.0

350.0

200.0

Call Price

As Defined⁽¹⁾

At Par

Stated coupon

4.25

3.50

6.375

Coupon frequency

Semi-annually

Quarterly

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⁽¹⁾	The 2024 and 2025 senior notes may be redeemed at any time, in whole or in part, at a make-whole redemption price plus accrued and unpaid interest.