Transaction Details

Footnotes

Logos GP LLC ("Fund GP") is the general partner of Logos Global Master Fund LP (the "Fund"). The Reporting Person is the Managing Member of Fund GP. The Reporting Person disclaims beneficial ownership of these securities except to the extent of Reporting Person's pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. | Logos Global Management LP is the investment advisor of private funds, including Logos Opportunities Fund II LP ("LOF II"). Logos Opportunities GP LLC ("GP I") is the general partner of LOF II. The Reporting Person is the Managing Member of GP I. The Reporting Person disclaims beneficial ownership of these securities except to the extent of Reporting Person's pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.