| (a) - (e) | As of the date hereof, each Reporting Person may be deemed to be the beneficial owners of 19,373,489 Shares, constituting 10.6% of the Shares, based upon 164,138,549* Shares outstanding as of the date hereof, adjusted for Shares to be issued upon exercise and conversion of derivatives beneficially owned by the Reporting Persons. Kingdon Capital has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 19,373,489 Shares; has the sole power to dispose or direct the disposition of 0 Shares; and has the shared power to dispose or direct the disposition of 19,373,489 Shares. The Fund has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 19,373,489 Shares; has the sole power to dispose or direct the disposition of 0 Shares; and has the shared power to dispose or direct the disposition of 19,373,489 Shares. Kingdon GP has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 19,373,489 Shares; has the sole power to dispose or direct the disposition of 0 Shares; and has the shared power to dispose or direct the disposition of 19,373,489 Shares. Mr. Kingdon has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 19,373,489 Shares; has the sole power to dispose or direct the disposition of 0 Shares; and has the shared power to dispose or direct the disposition of 19,373,489 Shares. At Michael Pohly’s direction, his compensation for service as a director of the Issuer will be paid to the Fund. On June 1, 2018, under the Issuer's 2017 Incentive Plan, the Fund was granted options to purchase an aggregate 277,777 Shares. Options to purchase 69,444 Shares vested immediately and options to purchase the remaining 208,333 Shares vest on July 1, 2018.There have been no other transactions by the Reporting Persons in the securities of the Issuer in the past sixty days. *This outstanding Shares figure reflects the number of outstanding Shares at May 5, 2016, as reported in the Issuer's Form 10-Q, filed on May 22, 2018. | |