Common use of Optional Redemption; Notices to Trustee Clause in Contracts

Optional Redemption; Notices to Trustee. Except as described below, the Company will not be entitled to redeem the Notes at its option prior to June 15, 2020. The Notes will be redeemable, at the Company’s option, in whole at any time or in part from time to time, on and after June 15, 2020, upon not less than 30, nor more than 60, days’ notice, at the following redemption prices (expressed as percentages of the principal amount thereof) if redeemed during the 12-month period commencing on June 15 of the years set forth below, plus, in each case, unpaid accrued interest, if any, thereon to the Redemption Date: Year Percentage 2020 106.563 % 2021 104.375 % 2022 102.188 % 2023 and thereafter 100.000 % At any time, or from time to time, on or prior to June 15, 2020, the Company may, at its option, use all or a portion of the net cash proceeds of one or more Equity Offerings to redeem up to 35% of the aggregate principal amount of the Notes issued under this Indenture (including any Additional Notes) at a redemption price equal to 108.75% of the aggregate principal amount of the Notes to be redeemed, plus unpaid accrued interest, if any, thereon to the Redemption Date; provided that:

Optional Redemption; Notices to Trustee. Except as described below, the Company will not be entitled to redeem the Notes at its option prior to June 15October 1, 20202015. The Notes will be redeemable, at the Company’s option, in whole at any time or in part from time to time, on and after June 15October 1, 20202015, upon not less than 30, nor more than 60, days’ notice, at the following redemption prices (expressed as percentages of the principal amount thereof) if redeemed during the 12-month period commencing on June 15 October 1 of the years set forth below, plus, in each case, unpaid accrued interest, if any, thereon to the Redemption Date: Year Percentage 2020 106.563 2015 103.813 % 2021 104.375 2016 101.906 % 2022 102.188 % 2023 2017 and thereafter 100.000 % At any time, or from time to time, on or prior to June 15October 1, 20202014, the Company may, at its option, use all or a portion of the net cash proceeds of one or more Equity Offerings to redeem up to 35% of the aggregate principal amount of the Notes issued under this Supplemental Indenture (including any Additional Notes) at a redemption price equal to 108.75107.625% of the aggregate principal amount of the Notes to be redeemed, plus unpaid accrued interest, if any, thereon to the Redemption Date; provided that:

Optional Redemption; Notices to Trustee. Except as described below, the Company will not be entitled to redeem the Notes at its option prior to June July 15, 20202013. The Notes will be redeemable, at the Company’s option, in whole at any time or in part from time to time, on and after June July 15, 20202013, upon not less than 30, nor more than 60, days’ notice, at the following redemption prices (expressed as percentages of the principal amount thereof) if redeemed during the 12-month period commencing on June July 15 of the years set forth below, plus, in each case, unpaid accrued interest, if any, thereon to the Redemption Date: Year Percentage 2020 106.563 2013 104.938 % 2021 104.375 2014 102.469 % 2022 102.188 % 2023 2015 and thereafter 100.000 % At any time, or from time to time, on or prior to June July 15, 20202012, the Company may, at its option, use all or a portion of the net cash proceeds of one or more Equity Offerings to redeem up to 35% of the aggregate principal amount of the Notes issued under this Supplemental Indenture (including any Additional Notes) at a redemption price equal to 108.75109.875% of the aggregate principal amount of the Notes to be redeemed, plus unpaid accrued interest, if any, thereon to the Redemption Date; provided that:

Optional Redemption; Notices to Trustee. Except as described below, the Company will not be entitled to redeem the Notes at its option prior to June October 15, 20202017. The Notes will be redeemable, at the Company’s option, in whole at any time or in part from time to time, on and after June October 15, 20202017, upon not less than 30, nor more than 60, days’ notice, at the following redemption prices (expressed as percentages of the principal amount thereof) if redeemed during the 12-month period commencing on June October 15 of the years set forth below, plus, in each case, unpaid accrued interest, if any, thereon to the Redemption Date: Year Percentage 2017 103.500 % 2018 102.333 % 2019 101.167 % 2020 106.563 % 2021 104.375 % 2022 102.188 % 2023 and thereafter 100.000 % At any time, or from time to time, on or prior to June April 15, 20202015, the Company may, at its option, use all or a portion of the net cash proceeds of one or more Equity Offerings to redeem up to 35% of the aggregate principal amount of the Notes issued under this Supplemental Indenture (including any Additional Notes) at a redemption price equal to 108.75107% of the aggregate principal amount of the Notes to be redeemed, plus unpaid accrued interest, if any, thereon to the Redemption Date; provided that: