Common use of Redemption at the Option of the Corporation Clause in Contracts

Redemption at the Option of the Corporation. The Debentures shall be redeemable by the Corporation in accordance with the terms of this Section 2.3(k) and Article 4, provided that the Debentures will not be redeemable by the Corporation prior to May 27, 2023, except in the event of the satisfaction of certain conditions after a Change of Control has occurred as outlined in Section 2.3(l) or upon request of the Debentureholders pursuant to Section 2.3(m). From May 27, 2023 and prior to the Maturity Date, the Debentures shall be redeemable, in whole at any time, or in part from time to time, at the option of the Corporation on notice as provided for in Section 4.3 at a redemption price equal to the principal amount thereof plus accrued and unpaid interest up to the Redemption Date, provided that the Current Market Price on the date immediately prior to the date the Redemption Notice is given exceeds 130% of the Conversion Price and the Corporation shall have provided to the Trustee an Officer's Certificate confirming such Current Market Price.

Redemption at the Option of the Corporation. The Debentures shall be redeemable by the Corporation in accordance with the terms of this Section 2.3(k) and Article 4, provided that the Debentures will not be redeemable by the Corporation prior to May 2728, 20232027, except in the event of the satisfaction of certain conditions after a Change of Control has occurred as outlined in Section 2.3(l) or upon request of the Debentureholders pursuant to Section 2.3(m). From May 2728, 2023 2027 and prior to the Maturity Date, the Debentures shall be redeemable, in whole at any time, or in part from time to time, at the option of the Corporation on notice as provided for in Section 4.3 at a redemption price equal to the principal amount thereof plus accrued and unpaid interest up to and excluding the Redemption Date, provided that the Current Market Price on the date immediately prior to the date the Redemption Notice is given exceeds 130% of the Conversion Price and the Corporation shall have provided to the Trustee an Officer's ’s Certificate confirming such Current Market Price (and the applicable Exchange Rate, if any, used in determining the Current Market Price).

Redemption at the Option of the Corporation. The Debentures shall be redeemable by the Corporation in accordance with the terms of this Section 2.3(k) and Article 4, provided that the Debentures will not be redeemable by the Corporation prior to May 27July 21, 20232020, except in the event of the satisfaction of certain conditions after a Change of Control has occurred as outlined in Section 2.3(l) or upon request of the Debentureholders pursuant to Section 2.3(m). From May 27July 21, 2023 2020 and prior to the Maturity Date, the Debentures shall be redeemable, in whole at any time, or in part from time to time, at the option of the Corporation on notice as provided for in Section 4.3 at a redemption price equal to the principal amount thereof plus accrued and unpaid interest up to the Redemption Date, provided that the Current Market Price on the date immediately prior to the date the Redemption Notice is given exceeds 130% of the Conversion Price and the Corporation shall have provided to the Trustee an Officer's ’s Certificate confirming such Current Market Price.

Redemption at the Option of the Corporation. The Debentures shall be redeemable by the Corporation in accordance with the terms of this Section 2.3(k) and Article 4, provided that the Debentures will not be redeemable by the Corporation prior to May 27September 22, 20232026, except in the event of the satisfaction of certain conditions after a Change of Control has occurred as outlined in Section 2.3(l) or upon request of the Debentureholders pursuant to Section 2.3(m). From May 27September 22, 2023 2026 and prior to the Maturity Date, the Debentures shall be redeemable, in whole at any time, or in part from time to time, at the option of the Corporation on notice as provided for in Section 4.3 at a redemption price equal to the principal amount thereof plus accrued and unpaid interest up to the Redemption Date, provided that the Current Market Price on the date immediately prior to the date the Redemption Notice is given exceeds 130% of the Conversion Price and the Corporation shall have provided to the Trustee an Officer's Officer’s‌ Certificate confirming such Current Market Price (and the applicable Exchange Rate, if any, used in determining the Current Market Price).

Redemption at the Option of the Corporation. The Debentures shall be redeemable by the Corporation in accordance with the terms of this Section 2.3(k) and Article 4, provided that the Debentures will not be redeemable by the Corporation prior to May 27June 10, 20232019, except in the event of the satisfaction of certain conditions after a Change of Control has occurred as outlined in Section 2.3(l) or upon request of the Debentureholders pursuant to Section 2.3(m). From May 27June 10, 2023 2019 and prior to the Maturity Date, the Debentures shall be redeemable, in whole at any time, or in part from time to time, at the option of the Corporation on notice as provided for in Section 4.3 at a redemption price equal to the principal amount thereof plus accrued and unpaid interest up to the Redemption Date, provided that the Current Market Price on the date immediately prior to the date the Redemption Notice is given exceeds 130% of the Conversion Price and the Corporation shall have provided to the Trustee an Officer's ’s Certificate confirming such Current Market Price.

Redemption at the Option of the Corporation. The Debentures shall be redeemable by the Corporation in accordance with the terms of this Section 2.3(k) and Article 4, provided that the Debentures will not be redeemable by the Corporation prior to May 27September 22, 20232026, except in the event of the satisfaction of certain conditions after a Change of Control has occurred as outlined in Section 2.3(l) or upon request of the Debentureholders pursuant to Section 2.3(m). From May 27September 22, 2023 2026 and prior to the Maturity Date, the Debentures shall be redeemable, in whole at any time, or in part from time to time, at the option of the Corporation on notice as provided for in Section 4.3 at a redemption price equal to the principal amount thereof plus accrued and unpaid interest up to the Redemption Date, provided that the Current Market Price on the date immediately prior to the date the Redemption Notice is given exceeds 130% of the Conversion Price and the Corporation shall have provided to the Trustee an Officer's ’s Certificate confirming such Current Market Price (and the applicable Exchange Rate, if any, used in determining the Current Market Price).