Syros Pharmaceuticals (SYRS): Deerfield Management Discloses Position

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Page 13 of 14 – SEC Filing
Exhibit A
Joint Filing Agreement
The undersigned agree that this Schedule 13G, and all amendments thereto, relating to the Common Stock, par value $0.001 of Syros Pharmaceuticals, 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 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

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