Page 10 of 11 – SEC Filing SIGNATURE After reasonable inquiry and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct. Dated: September 22, 2016 BIOTECHNOLOGY VALUE FUND, L.P. BVF INC. By: BVF Partners L.P., its general partner By: BVF Inc., its general partner By: /s/ Mark N. Lampert Mark N. Lampert By: /s/ Mark N. Lampert President Mark N. Lampert President MARK N. LAMPERT BIOTECHNOLOGY VALUE FUND II, L.P. /s/ Mark N. Lampert By: BVF Partners L.P., its general partner By: BVF Inc., its general partner By: /s/ Mark N. Lampert Mark N. Lampert President BVF PARTNERS L.P. By: BVF Inc., its general partner By: /s/ Mark N. Lampert Mark N. Lampert President
BVF PARTNERS OS LTD. By: BVF Partners L.P., its sole member By: BVF Inc., its general partner By: /s/ Mark N. Lampert Mark N. Lampert President BIOTECHNOLOGY VALUE TRADING FUND OS LP By: BVF Partners L.P., its investment manager By: BVF Inc., its general partner By: /s/ Mark N. Lampert Mark N. Lampert President
BIOTECHNOLOGY VALUE FUND, L.P. | ||||
| BVF INC. | |||
By: | BVF Partners L.P., its general partner | | ||
By: | BVF Inc., its general partner | By: | /s/ Mark N. Lampert | |
| Mark N. Lampert | |||
By: | /s/ Mark N. Lampert | President | ||
Mark N. Lampert | ||||
President | | |||
| ||||
| MARK N. LAMPERT | |||
BIOTECHNOLOGY VALUE FUND II, L.P. | ||||
| /s/ Mark N. Lampert | |||
By: | BVF Partners L.P., its general partner | |||
By: | BVF Inc., its general partner | |||
| ||||
By: | /s/ Mark N. Lampert | |||
Mark N. Lampert | ||||
President | ||||
BVF PARTNERS L.P. | ||||
By: | BVF Inc., its general partner | |||
| ||||
By: | /s/ Mark N. Lampert | |||
Mark N. Lampert | ||||
President |
BVF PARTNERS OS LTD. | ||||
By: | BVF Partners L.P., its sole member | |||
By: | BVF Inc., its general partner | |||
| ||||
By: | /s/ Mark N. Lampert | |||
Mark N. Lampert | ||||
President | ||||
BIOTECHNOLOGY VALUE TRADING FUND OS LP | ||||
By: | BVF Partners L.P., its investment manager | |||
By: | BVF Inc., its general partner | |||
| ||||
By: | /s/ Mark N. Lampert | |||
Mark N. Lampert | ||||
President |