Exhibit A
Joint Filing Agreement
The undersigned agree that this
Schedule 13G, and all amendments thereto, relating to the Common Stock, par value $0.00001 of
Audentes Therapeutics, Inc.
shall be filed on behalf of the undersigned.
DEERFIELD MGMT, L.P.
By: J.E. Flynn Capital, LLC, General Partner
By:
/s/ Jonathan Isler
Jonathan Isler, Attorney-In-Fact
DEERFIELD MANAGEMENT COMPANY, L.P.
By: Flynn Management LLC, General Partner
By:
/s/ Jonathan Isler
Jonathan Isler, Attorney-In-Fact
DEERFIELD MGMT III, L.P.
By: J.E. Flynn Capital III, LLC, General Partner
By:
/s/ Jonathan Isler
Jonathan Isler, Attorney-In-Fact
DEERFIELD SPECIAL SITUATIONS FUND, L.P.
By: Deerfield Mgmt, L.P., General Partner
By: J.E. Flynn Capital, LLC, General Partner
By:
/s/ Jonathan Isler
Jonathan Isler, Attorney-In-Fact
DEERFIELD PARTNERS, L.P.
By: Deerfield Mgmt, L.P., General Partner
By: J.E. Flynn Capital, LLC, General Partner
By:
/s/ Jonathan Isler
Jonathan Isler, Attorney-In-Fact
DEERFIELD INTERNATIONAL MASTER FUND, L.P.
By: Deerfield Mgmt, L.P., General Partner
By: J.E. Flynn Capital, LLC, General Partner
By:
/s/ Jonathan Isler
Jonathan Isler, Attorney-In-Fact
DEERFIELD PRIVATE DESIGN FUND III, L.P.
By: Deerfield Mgmt III, L.P., General Partner
By: J.E. Flynn Capital III, LLC, General Partner
By:
/s/ Jonathan Isler
Jonathan Isler, Attorney-In-Fact
JAMES E. FLYNN
/s/ Jonathan Isler
Jonathan Isler, Attorney-In-Fact