(3) | This prospectus supplement includes 57,833,394 unsold Common Shares previously registered. On February 26, 2019, the registrant filed a prospectus supplement (the “2019 Prospectus Supplement”) to the prospectus included in its Registration Statement on Form S-3 (Registration Statement No. 333- 219720) registering 6,970,737 Common Shares and concurrently submitted a fee of $18,865.58. On July 17, 2020, the registrant filed a prospectus supplement (the “2020 Prospectus Supplement”) to the prospectus included in its Registration Statement on Form S-3 (Registration Statement No. 333-239227) registering a total of 58,358,394 Common Shares and concurrently submitted a fee of $189,727.42. The Common Shares registered by the 2020 Prospectus Supplement included 3,592,922 Common Shares that remained unsold under the 2019 Prospectus Supplement and that were carried forward to the 2020 Prospectus Supplement pursuant to Rule 415(a)(6) under the Securities Act. Pursuant to Rule 415(a)(6) under the Securities Act, 57,833,394 Common Shares offered hereby are unsold Common Shares previously registered by the 2020 Prospectus Supplement, for which the filing fee was previously paid, and will continue to be applied to such unsold securities. A filing fee of $53.88 is being paid with respect to the remaining 13,795 Common Shares offered hereby. |