Optional Redemption (a) Except as described below, the 2028 Notes are not redeemable until April 1, 2023. On and after April 1, 2023, the Issuer may redeem all or, from time to time, part of the 2028 Notes upon not less than 10 nor more than 60 days’ notice, at the following redemption prices (expressed as a percentage of the principal amount) plus accrued and unpaid interest, to, but not including, the applicable redemption date (subject to the right of the Holders of record on the relevant record date to receive interest due on the relevant interest payment date), if redeemed during the twelve-month period beginning on April 1, of the years indicated below: 2023 103.750 % 2024 101.875 % 2025 101.250 % 2026 and thereafter 100.000 % (b) Prior to April 1, 2023, the Issuer may redeem all, or from time to time, a part of the 2028 Notes upon not less than 10 nor more than 60 days’ notice at a redemption price equal to 100% of the principal amount thereof plus the Applicable Premium and accrued and unpaid interest, to, but not including, the applicable redemption date (subject to the right of Holders of record on the relevant record date to receive interest due on the relevant interest payment date). (c) Prior to April 1, 2021, the Issuer may on any one or more occasions redeem up to 40% of the original principal amount of the 2028 Notes (including, in each case, the principal amount of any 2028 Additional Notes), upon not less than 10 nor more than 60 days’ notice, with funds in an aggregate amount not exceeding the Net Cash Proceeds of one or more Equity Offerings at a redemption price of 107.500% of the principal amount of the 2028 Notes, plus, accrued and unpaid interest to, but not including, the applicable redemption date (subject to the right of Holders of record on the relevant record date to receive interest due on the relevant interest payment date); provided that: (1) at least 60% of the original principal amount of the 2028 Notes (including the principal amount of any 2028 Additional Notes remains outstanding after each such redemption); and (2) the redemption occurs within 180 days after the closing of such Equity Offering. (d) Unless the Issuer defaults in the payment of the redemption price, interest will cease to accrue on the relevant series of 2028 Notes or the portion thereof called for redemption on the applicable redemption date. (e) Any redemption notice given in respect of the redemption of any series of the 2028 Notes (including upon an Equity Offering or in connection with a transaction (or series of related transactions) or an event that constitutes a Change of Control) may, at the Issuer’s discretion, be subject to the satisfaction of one or more conditions precedent, including, but not limited to, the completion or occurrence of the related transaction, as the case may be. (f) Any redemption pursuant to this paragraph 5 shall be made pursuant to Sections 3.01 through 3.06 of the Indenture. (g) If a series of 2028 Notes is listed on an exchange, and the rules of the exchange so require, the Issuer will notify the exchange of any such redemption and the principal amount of such 2028 Notes outstanding following any partial redemption of such series of 2028 Notes. In no event will the Trustee be responsible for monitoring, or charged with knowledge of, the maximum aggregate amount of 2028 Notes eligible under the Indenture to be redeemed. (h) In connection with any tender offer or other offer to purchase for all of the 2028 Notes of a series, if Holders of not less than 90% of the aggregate principal amount of the then outstanding 2028 Notes of such series validly tender and do not validly withdraw such 2028 Notes in such tender offer and the Issuer, or any third party making such tender offer in lieu of the Issuer, purchases all of the 2028 Notes of such series validly tendered and not validly withdrawn by such Holders, the Issuer or such third party will have the right upon not less than 10 nor more than 60 days’ notice following such purchase date, to redeem all 2028 Notes of such series that remain outstanding following such purchase at a price equal to the price paid to each other Holder in such tender offer, plus, to the extent not included in the tender offer payment, accrued and unpaid interest, if any, thereon, to, but excluding, the repurchase date (subject to the right of Holders of record on the relevant record date to receive interest due on the relevant interest payment date). (i) If a redemption date is not a Business Day, payment may be made on the next succeeding day that is a Business Day, and no interest shall accrue on any amount that would have been otherwise payable on such redemption date if it were a Business Day for the intervening period.