Joint Filing Agreement
Exhibit A
The undersigned agree that this Schedule 13G, and all amendments thereto, relating to the Common Stock of ▇▇▇▇▇▇▇▇ Therapeutics, Inc. shall be filed on behalf of the undersigned.
DEERFIELD MGMT, L.P.
By: Deerfield UGP, LLC, General Partner
By: /s/ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇
▇▇▇▇▇▇▇▇ ▇▇▇▇▇, Attorney-In-Fact
DEERFIELD MANAGEMENT COMPANY, L.P.
By: Deerfield UGP, LLC, General Partner
By: /s/ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇
▇▇▇▇▇▇▇▇ ▇▇▇▇▇, Attorney-In-Fact
DEERFIELD PARTNERS, L.P.
By: Deerfield Mgmt, L.P., General Partner
By: Deerfield UGP, LLC, General Partner
By: /s/ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇
▇▇▇▇▇▇▇▇ ▇▇▇▇▇, Attorney-In-Fact
▇▇▇▇▇ ▇. ▇▇▇▇▇
/s/ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇
▇▇▇▇▇▇▇▇ ▇▇▇▇▇, Attorney-In-Fact